Home / 2,688,257.60-4,032,386.42-1,836,699.20

Finding the Fourth Proportional to 2,688,257.60, 4,032,386.42 and 1,836,699.20

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Solution

The fourth proportional to 2,688,257.60, 4,032,386.42 and 1,836,699.20 is: 2,755,048.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,688,257.60 : 4,032,386.42 = 1,836,699.20 : x
  2. Step 2: Convert to fraction form
    2,688,257.60/4,032,386.42 = 1,836,699.20/x
  3. Step 3: Cross multiply
    2,688,257.60x = 4,032,386.42 × 1,836,699.20
  4. Step 4: Simplify right side
    2,688,257.60x = 7,406,280,911,704.86
  5. Step 5: Solve for x
    x = 7,406,280,911,704.86/2,688,257.60
  6. Step 6: Final answer
    x = 2,755,048.81

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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.