Home / 1,861,123.20-2,789,699.84-1,060,681.20

Finding the Fourth Proportional to 1,861,123.20, 2,789,699.84 and 1,060,681.20

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Solution

The fourth proportional to 1,861,123.20, 2,789,699.84 and 1,060,681.20 is: 1,589,890.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,861,123.20 : 2,789,699.84 = 1,060,681.20 : x
  2. Step 2: Convert to fraction form
    1,861,123.20/2,789,699.84 = 1,060,681.20/x
  3. Step 3: Cross multiply
    1,861,123.20x = 2,789,699.84 × 1,060,681.20
  4. Step 4: Simplify right side
    1,861,123.20x = 2,958,982,173,931.01
  5. Step 5: Solve for x
    x = 2,958,982,173,931.01/1,861,123.20
  6. Step 6: Final answer
    x = 1,589,890.54

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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.