Home / 2,190,681.33-3,286,395.63-976,698.45

Finding the Fourth Proportional to 2,190,681.33, 3,286,395.63 and 976,698.45

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Solution

The fourth proportional to 2,190,681.33, 3,286,395.63 and 976,698.45 is: 1,465,214.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,190,681.33 : 3,286,395.63 = 976,698.45 : x
  2. Step 2: Convert to fraction form
    2,190,681.33/3,286,395.63 = 976,698.45/x
  3. Step 3: Cross multiply
    2,190,681.33x = 3,286,395.63 × 976,698.45
  4. Step 4: Simplify right side
    2,190,681.33x = 3,209,817,517,907.77
  5. Step 5: Solve for x
    x = 3,209,817,517,907.77/2,190,681.33
  6. Step 6: Final answer
    x = 1,465,214.26

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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.