Home / 2,092,938.20-3,139,407.30-1,490,638.40

Finding the Fourth Proportional to 2,092,938.20, 3,139,407.30 and 1,490,638.40

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Solution

The fourth proportional to 2,092,938.20, 3,139,407.30 and 1,490,638.40 is: 2,235,957.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,092,938.20 : 3,139,407.30 = 1,490,638.40 : x
  2. Step 2: Convert to fraction form
    2,092,938.20/3,139,407.30 = 1,490,638.40/x
  3. Step 3: Cross multiply
    2,092,938.20x = 3,139,407.30 × 1,490,638.40
  4. Step 4: Simplify right side
    2,092,938.20x = 4,679,721,074,620.32
  5. Step 5: Solve for x
    x = 4,679,721,074,620.32/2,092,938.20
  6. Step 6: Final answer
    x = 2,235,957.60

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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.