Home / 2,898,105.40-4,347,158.10-1,005,038.20

Finding the Fourth Proportional to 2,898,105.40, 4,347,158.10 and 1,005,038.20

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Solution

The fourth proportional to 2,898,105.40, 4,347,158.10 and 1,005,038.20 is: 1,507,557.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,898,105.40 : 4,347,158.10 = 1,005,038.20 : x
  2. Step 2: Convert to fraction form
    2,898,105.40/4,347,158.10 = 1,005,038.20/x
  3. Step 3: Cross multiply
    2,898,105.40x = 4,347,158.10 × 1,005,038.20
  4. Step 4: Simplify right side
    2,898,105.40x = 4,369,059,951,939.42
  5. Step 5: Solve for x
    x = 4,369,059,951,939.42/2,898,105.40
  6. Step 6: Final answer
    x = 1,507,557.30

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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.