Home / 1,915,658.60-2,871,547.52-1,242,167.08

Finding the Fourth Proportional to 1,915,658.60, 2,871,547.52 and 1,242,167.08

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Solution

The fourth proportional to 1,915,658.60, 2,871,547.52 and 1,242,167.08 is: 1,861,992.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,915,658.60 : 2,871,547.52 = 1,242,167.08 : x
  2. Step 2: Convert to fraction form
    1,915,658.60/2,871,547.52 = 1,242,167.08/x
  3. Step 3: Cross multiply
    1,915,658.60x = 2,871,547.52 × 1,242,167.08
  4. Step 4: Simplify right side
    1,915,658.60x = 3,566,941,797,999.64
  5. Step 5: Solve for x
    x = 3,566,941,797,999.64/1,915,658.60
  6. Step 6: Final answer
    x = 1,861,992.42

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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.