Home / 3,143,815.79-4,338,925.28-1,767,272.88

Finding the Fourth Proportional to 3,143,815.79, 4,338,925.28 and 1,767,272.88

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Solution

The fourth proportional to 3,143,815.79, 4,338,925.28 and 1,767,272.88 is: 2,439,094.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,143,815.79 : 4,338,925.28 = 1,767,272.88 : x
  2. Step 2: Convert to fraction form
    3,143,815.79/4,338,925.28 = 1,767,272.88/x
  3. Step 3: Cross multiply
    3,143,815.79x = 4,338,925.28 × 1,767,272.88
  4. Step 4: Simplify right side
    3,143,815.79x = 7,668,064,989,752.28
  5. Step 5: Solve for x
    x = 7,668,064,989,752.28/3,143,815.79
  6. Step 6: Final answer
    x = 2,439,094.88

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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.