Home / 6,878,406.60-10,317,707.10-2,618,807.76

Finding the Fourth Proportional to 6,878,406.60, 10,317,707.10 and 2,618,807.76

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Solution

The fourth proportional to 6,878,406.60, 10,317,707.10 and 2,618,807.76 is: 3,928,248.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,878,406.60 : 10,317,707.10 = 2,618,807.76 : x
  2. Step 2: Convert to fraction form
    6,878,406.60/10,317,707.10 = 2,618,807.76/x
  3. Step 3: Cross multiply
    6,878,406.60x = 10,317,707.10 × 2,618,807.76
  4. Step 4: Simplify right side
    6,878,406.60x = 27,020,091,418,887.09
  5. Step 5: Solve for x
    x = 27,020,091,418,887.09/6,878,406.60
  6. Step 6: Final answer
    x = 3,928,248.65

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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.