Home / 5,216,891.68-7,199,218.32-2,925,045.28

Finding the Fourth Proportional to 5,216,891.68, 7,199,218.32 and 2,925,045.28

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Solution

The fourth proportional to 5,216,891.68, 7,199,218.32 and 2,925,045.28 is: 4,036,510.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,216,891.68 : 7,199,218.32 = 2,925,045.28 : x
  2. Step 2: Convert to fraction form
    5,216,891.68/7,199,218.32 = 2,925,045.28/x
  3. Step 3: Cross multiply
    5,216,891.68x = 7,199,218.32 × 2,925,045.28
  4. Step 4: Simplify right side
    5,216,891.68x = 21,058,039,566,605.53
  5. Step 5: Solve for x
    x = 21,058,039,566,605.53/5,216,891.68
  6. Step 6: Final answer
    x = 4,036,510.79

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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.