Home / 2,878,752.96-3,972,797.28-1,791,668.16

Finding the Fourth Proportional to 2,878,752.96, 3,972,797.28 and 1,791,668.16

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Solution

The fourth proportional to 2,878,752.96, 3,972,797.28 and 1,791,668.16 is: 2,472,575.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,878,752.96 : 3,972,797.28 = 1,791,668.16 : x
  2. Step 2: Convert to fraction form
    2,878,752.96/3,972,797.28 = 1,791,668.16/x
  3. Step 3: Cross multiply
    2,878,752.96x = 3,972,797.28 × 1,791,668.16
  4. Step 4: Simplify right side
    2,878,752.96x = 7,117,934,392,710.61
  5. Step 5: Solve for x
    x = 7,117,934,392,710.61/2,878,752.96
  6. Step 6: Final answer
    x = 2,472,575.62

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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.