Home / 5,423,405.11-7,484,278.34-2,976,057.07

Finding the Fourth Proportional to 5,423,405.11, 7,484,278.34 and 2,976,057.07

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Solution

The fourth proportional to 5,423,405.11, 7,484,278.34 and 2,976,057.07 is: 4,106,947.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,423,405.11 : 7,484,278.34 = 2,976,057.07 : x
  2. Step 2: Convert to fraction form
    5,423,405.11/7,484,278.34 = 2,976,057.07/x
  3. Step 3: Cross multiply
    5,423,405.11x = 7,484,278.34 × 2,976,057.07
  4. Step 4: Simplify right side
    5,423,405.11x = 22,273,639,467,604.86
  5. Step 5: Solve for x
    x = 22,273,639,467,604.86/5,423,405.11
  6. Step 6: Final answer
    x = 4,106,947.39

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1.5x scale

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.