Home / 2,947,490.07-4,421,235.11-817,574.19

Finding the Fourth Proportional to 2,947,490.07, 4,421,235.11 and 817,574.19

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Solution

The fourth proportional to 2,947,490.07, 4,421,235.11 and 817,574.19 is: 1,226,361.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,947,490.07 : 4,421,235.11 = 817,574.19 : x
  2. Step 2: Convert to fraction form
    2,947,490.07/4,421,235.11 = 817,574.19/x
  3. Step 3: Cross multiply
    2,947,490.07x = 4,421,235.11 × 817,574.19
  4. Step 4: Simplify right side
    2,947,490.07x = 3,614,687,713,857.81
  5. Step 5: Solve for x
    x = 3,614,687,713,857.81/2,947,490.07
  6. Step 6: Final answer
    x = 1,226,361.29

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Similar ratio
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1.5x scale

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.