Home / 2,931,877.92-4,045,988.81-1,642,727.52

Finding the Fourth Proportional to 2,931,877.92, 4,045,988.81 and 1,642,727.52

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Solution

The fourth proportional to 2,931,877.92, 4,045,988.81 and 1,642,727.52 is: 2,266,962.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,931,877.92 : 4,045,988.81 = 1,642,727.52 : x
  2. Step 2: Convert to fraction form
    2,931,877.92/4,045,988.81 = 1,642,727.52/x
  3. Step 3: Cross multiply
    2,931,877.92x = 4,045,988.81 × 1,642,727.52
  4. Step 4: Simplify right side
    2,931,877.92x = 6,646,457,167,905.87
  5. Step 5: Solve for x
    x = 6,646,457,167,905.87/2,931,877.92
  6. Step 6: Final answer
    x = 2,266,962.45

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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.