Home / 2,190,681.34-3,286,395.64-976,698.46

Finding the Fourth Proportional to 2,190,681.34, 3,286,395.64 and 976,698.46

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Solution

The fourth proportional to 2,190,681.34, 3,286,395.64 and 976,698.46 is: 1,465,214.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,190,681.34 : 3,286,395.64 = 976,698.46 : x
  2. Step 2: Convert to fraction form
    2,190,681.34/3,286,395.64 = 976,698.46/x
  3. Step 3: Cross multiply
    2,190,681.34x = 3,286,395.64 × 976,698.46
  4. Step 4: Simplify right side
    2,190,681.34x = 3,209,817,560,538.71
  5. Step 5: Solve for x
    x = 3,209,817,560,538.71/2,190,681.34
  6. Step 6: Final answer
    x = 1,465,214.27

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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.