Home / 1,862,438.80-2,793,002.10-664,400.20

Finding the Fourth Proportional to 1,862,438.80, 2,793,002.10 and 664,400.20

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Solution

The fourth proportional to 1,862,438.80, 2,793,002.10 and 664,400.20 is: 996,366.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,862,438.80 : 2,793,002.10 = 664,400.20 : x
  2. Step 2: Convert to fraction form
    1,862,438.80/2,793,002.10 = 664,400.20/x
  3. Step 3: Cross multiply
    1,862,438.80x = 2,793,002.10 × 664,400.20
  4. Step 4: Simplify right side
    1,862,438.80x = 1,855,671,153,840.42
  5. Step 5: Solve for x
    x = 1,855,671,153,840.42/1,862,438.80
  6. Step 6: Final answer
    x = 996,366.25

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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.