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Finding the Fourth Proportional to 6,357,217, 8,772,959.46 and 3,495,649

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Solution

The fourth proportional to 6,357,217, 8,772,959.46 and 3,495,649 is: 4,823,995.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,357,217 : 8,772,959.46 = 3,495,649 : x
  2. Step 2: Convert to fraction form
    6,357,217/8,772,959.46 = 3,495,649/x
  3. Step 3: Cross multiply
    6,357,217x = 8,772,959.46 × 3,495,649
  4. Step 4: Simplify right side
    6,357,217x = 30,667,186,963,389.54
  5. Step 5: Solve for x
    x = 30,667,186,963,389.54/6,357,217
  6. Step 6: Final answer
    x = 4,823,995.62

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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.