Home / 1,926,421.79-2,887,394.65-727,581.29

Finding the Fourth Proportional to 1,926,421.79, 2,887,394.65 and 727,581.29

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Solution

The fourth proportional to 1,926,421.79, 2,887,394.65 and 727,581.29 is: 1,090,526.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,926,421.79 : 2,887,394.65 = 727,581.29 : x
  2. Step 2: Convert to fraction form
    1,926,421.79/2,887,394.65 = 727,581.29/x
  3. Step 3: Cross multiply
    1,926,421.79x = 2,887,394.65 × 727,581.29
  4. Step 4: Simplify right side
    1,926,421.79x = 2,100,814,307,930.17
  5. Step 5: Solve for x
    x = 2,100,814,307,930.17/1,926,421.79
  6. Step 6: Final answer
    x = 1,090,526.66

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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.