Home / 2,173,787.18-2,999,962.12-1,256,184.86

Finding the Fourth Proportional to 2,173,787.18, 2,999,962.12 and 1,256,184.86

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Solution

The fourth proportional to 2,173,787.18, 2,999,962.12 and 1,256,184.86 is: 1,733,613.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,173,787.18 : 2,999,962.12 = 1,256,184.86 : x
  2. Step 2: Convert to fraction form
    2,173,787.18/2,999,962.12 = 1,256,184.86/x
  3. Step 3: Cross multiply
    2,173,787.18x = 2,999,962.12 × 1,256,184.86
  4. Step 4: Simplify right side
    2,173,787.18x = 3,768,506,979,932.58
  5. Step 5: Solve for x
    x = 3,768,506,979,932.58/2,173,787.18
  6. Step 6: Final answer
    x = 1,733,613.58

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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.