Home / 5,375,205.12-7,417,827-2,927,825.76

Finding the Fourth Proportional to 5,375,205.12, 7,417,827 and 2,927,825.76

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Solution

The fourth proportional to 5,375,205.12, 7,417,827 and 2,927,825.76 is: 4,040,423.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,375,205.12 : 7,417,827 = 2,927,825.76 : x
  2. Step 2: Convert to fraction form
    5,375,205.12/7,417,827 = 2,927,825.76/x
  3. Step 3: Cross multiply
    5,375,205.12x = 7,417,827 × 2,927,825.76
  4. Step 4: Simplify right side
    5,375,205.12x = 21,718,104,973,823.52
  5. Step 5: Solve for x
    x = 21,718,104,973,823.52/5,375,205.12
  6. Step 6: Final answer
    x = 4,040,423.48

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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.