Home / 2,988,358.79-4,123,617.14-1,681,588.01

Finding the Fourth Proportional to 2,988,358.79, 4,123,617.14 and 1,681,588.01

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Solution

The fourth proportional to 2,988,358.79, 4,123,617.14 and 1,681,588.01 is: 2,320,412.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,988,358.79 : 4,123,617.14 = 1,681,588.01 : x
  2. Step 2: Convert to fraction form
    2,988,358.79/4,123,617.14 = 1,681,588.01/x
  3. Step 3: Cross multiply
    2,988,358.79x = 4,123,617.14 × 1,681,588.01
  4. Step 4: Simplify right side
    2,988,358.79x = 6,934,225,154,967.50
  5. Step 5: Solve for x
    x = 6,934,225,154,967.50/2,988,358.79
  6. Step 6: Final answer
    x = 2,320,412.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.