Home / 2,580,666.41-3,870,749.25-783,565.49

Finding the Fourth Proportional to 2,580,666.41, 3,870,749.25 and 783,565.49

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Solution

The fourth proportional to 2,580,666.41, 3,870,749.25 and 783,565.49 is: 1,175,272.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,580,666.41 : 3,870,749.25 = 783,565.49 : x
  2. Step 2: Convert to fraction form
    2,580,666.41/3,870,749.25 = 783,565.49/x
  3. Step 3: Cross multiply
    2,580,666.41x = 3,870,749.25 × 783,565.49
  4. Step 4: Simplify right side
    2,580,666.41x = 3,032,985,513,389.64
  5. Step 5: Solve for x
    x = 3,032,985,513,389.64/2,580,666.41
  6. Step 6: Final answer
    x = 1,175,272.21

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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.