Home / 1,931,421.60-2,897,132.40-1,484,398.80

Finding the Fourth Proportional to 1,931,421.60, 2,897,132.40 and 1,484,398.80

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Solution

The fourth proportional to 1,931,421.60, 2,897,132.40 and 1,484,398.80 is: 2,226,598.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,931,421.60 : 2,897,132.40 = 1,484,398.80 : x
  2. Step 2: Convert to fraction form
    1,931,421.60/2,897,132.40 = 1,484,398.80/x
  3. Step 3: Cross multiply
    1,931,421.60x = 2,897,132.40 × 1,484,398.80
  4. Step 4: Simplify right side
    1,931,421.60x = 4,300,499,858,001.12
  5. Step 5: Solve for x
    x = 4,300,499,858,001.12/1,931,421.60
  6. Step 6: Final answer
    x = 2,226,598.20

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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.