Home / 2,842,312.20-3,922,343.28-1,553,122.86

Finding the Fourth Proportional to 2,842,312.20, 3,922,343.28 and 1,553,122.86

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Solution

The fourth proportional to 2,842,312.20, 3,922,343.28 and 1,553,122.86 is: 2,143,283.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,842,312.20 : 3,922,343.28 = 1,553,122.86 : x
  2. Step 2: Convert to fraction form
    2,842,312.20/3,922,343.28 = 1,553,122.86/x
  3. Step 3: Cross multiply
    2,842,312.20x = 3,922,343.28 × 1,553,122.86
  4. Step 4: Simplify right side
    2,842,312.20x = 6,091,881,012,935.38
  5. Step 5: Solve for x
    x = 6,091,881,012,935.38/2,842,312.20
  6. Step 6: Final answer
    x = 2,143,283.56

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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.