Home / 1,930,545-2,664,152.46-1,071,103.20

Finding the Fourth Proportional to 1,930,545, 2,664,152.46 and 1,071,103.20

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Solution

The fourth proportional to 1,930,545, 2,664,152.46 and 1,071,103.20 is: 1,478,122.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,930,545 : 2,664,152.46 = 1,071,103.20 : x
  2. Step 2: Convert to fraction form
    1,930,545/2,664,152.46 = 1,071,103.20/x
  3. Step 3: Cross multiply
    1,930,545x = 2,664,152.46 × 1,071,103.20
  4. Step 4: Simplify right side
    1,930,545x = 2,853,582,225,193.87
  5. Step 5: Solve for x
    x = 2,853,582,225,193.87/1,930,545
  6. Step 6: Final answer
    x = 1,478,122.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.