Home / 2,712,904.40-4,069,356.60-1,116,613.10

Finding the Fourth Proportional to 2,712,904.40, 4,069,356.60 and 1,116,613.10

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Solution

The fourth proportional to 2,712,904.40, 4,069,356.60 and 1,116,613.10 is: 1,674,919.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,712,904.40 : 4,069,356.60 = 1,116,613.10 : x
  2. Step 2: Convert to fraction form
    2,712,904.40/4,069,356.60 = 1,116,613.10/x
  3. Step 3: Cross multiply
    2,712,904.40x = 4,069,356.60 × 1,116,613.10
  4. Step 4: Simplify right side
    2,712,904.40x = 4,543,896,888,131.46
  5. Step 5: Solve for x
    x = 4,543,896,888,131.46/2,712,904.40
  6. Step 6: Final answer
    x = 1,674,919.65

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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.