Home / 2,712,909.40-4,069,364.10-1,116,618.10

Finding the Fourth Proportional to 2,712,909.40, 4,069,364.10 and 1,116,618.10

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Solution

The fourth proportional to 2,712,909.40, 4,069,364.10 and 1,116,618.10 is: 1,674,927.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,712,909.40 : 4,069,364.10 = 1,116,618.10 : x
  2. Step 2: Convert to fraction form
    2,712,909.40/4,069,364.10 = 1,116,618.10/x
  3. Step 3: Cross multiply
    2,712,909.40x = 4,069,364.10 × 1,116,618.10
  4. Step 4: Simplify right side
    2,712,909.40x = 4,543,925,609,550.21
  5. Step 5: Solve for x
    x = 4,543,925,609,550.21/2,712,909.40
  6. Step 6: Final answer
    x = 1,674,927.15

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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.