Home / 2,688,536.83-4,032,801.56-1,248,432.75

Finding the Fourth Proportional to 2,688,536.83, 4,032,801.56 and 1,248,432.75

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Solution

The fourth proportional to 2,688,536.83, 4,032,801.56 and 1,248,432.75 is: 1,872,647.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,688,536.83 : 4,032,801.56 = 1,248,432.75 : x
  2. Step 2: Convert to fraction form
    2,688,536.83/4,032,801.56 = 1,248,432.75/x
  3. Step 3: Cross multiply
    2,688,536.83x = 4,032,801.56 × 1,248,432.75
  4. Step 4: Simplify right side
    2,688,536.83x = 5,034,681,541,755.09
  5. Step 5: Solve for x
    x = 5,034,681,541,755.09/2,688,536.83
  6. Step 6: Final answer
    x = 1,872,647.41

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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.