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Finding the Fourth Proportional to 6,357,813.46, 8,773,948.86 and 3,457,373.96

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Solution

The fourth proportional to 6,357,813.46, 8,773,948.86 and 3,457,373.96 is: 4,771,266.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,357,813.46 : 8,773,948.86 = 3,457,373.96 : x
  2. Step 2: Convert to fraction form
    6,357,813.46/8,773,948.86 = 3,457,373.96/x
  3. Step 3: Cross multiply
    6,357,813.46x = 8,773,948.86 × 3,457,373.96
  4. Step 4: Simplify right side
    6,357,813.46x = 30,334,822,323,905.40
  5. Step 5: Solve for x
    x = 30,334,822,323,905.40/6,357,813.46
  6. Step 6: Final answer
    x = 4,771,266.49

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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.