Home / 3,648,754.53-5,034,445.88-2,178,376.91

Finding the Fourth Proportional to 3,648,754.53, 5,034,445.88 and 2,178,376.91

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Solution

The fourth proportional to 3,648,754.53, 5,034,445.88 and 2,178,376.91 is: 3,005,661.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,648,754.53 : 5,034,445.88 = 2,178,376.91 : x
  2. Step 2: Convert to fraction form
    3,648,754.53/5,034,445.88 = 2,178,376.91/x
  3. Step 3: Cross multiply
    3,648,754.53x = 5,034,445.88 × 2,178,376.91
  4. Step 4: Simplify right side
    3,648,754.53x = 10,966,920,634,464.40
  5. Step 5: Solve for x
    x = 10,966,920,634,464.40/3,648,754.53
  6. Step 6: Final answer
    x = 3,005,661.40

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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.