Home / 3,178,175.40-4,767,263.10-2,829,810.60

Finding the Fourth Proportional to 3,178,175.40, 4,767,263.10 and 2,829,810.60

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Solution

The fourth proportional to 3,178,175.40, 4,767,263.10 and 2,829,810.60 is: 4,244,715.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,178,175.40 : 4,767,263.10 = 2,829,810.60 : x
  2. Step 2: Convert to fraction form
    3,178,175.40/4,767,263.10 = 2,829,810.60/x
  3. Step 3: Cross multiply
    3,178,175.40x = 4,767,263.10 × 2,829,810.60
  4. Step 4: Simplify right side
    3,178,175.40x = 13,490,451,653,368.86
  5. Step 5: Solve for x
    x = 13,490,451,653,368.86/3,178,175.40
  6. Step 6: Final answer
    x = 4,244,715.90

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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.