Home / 2,190,681.08-3,286,395.27-976,698.20

Finding the Fourth Proportional to 2,190,681.08, 3,286,395.27 and 976,698.20

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Solution

The fourth proportional to 2,190,681.08, 3,286,395.27 and 976,698.20 is: 1,465,213.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,190,681.08 : 3,286,395.27 = 976,698.20 : x
  2. Step 2: Convert to fraction form
    2,190,681.08/3,286,395.27 = 976,698.20/x
  3. Step 3: Cross multiply
    2,190,681.08x = 3,286,395.27 × 976,698.20
  4. Step 4: Simplify right side
    2,190,681.08x = 3,209,816,344,697.51
  5. Step 5: Solve for x
    x = 3,209,816,344,697.51/2,190,681.08
  6. Step 6: Final answer
    x = 1,465,213.89

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Double scale
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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.