Home / 2,642,306.32-3,646,389.78-1,554,618.88

Finding the Fourth Proportional to 2,642,306.32, 3,646,389.78 and 1,554,618.88

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Solution

The fourth proportional to 2,642,306.32, 3,646,389.78 and 1,554,618.88 is: 2,145,378.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,642,306.32 : 3,646,389.78 = 1,554,618.88 : x
  2. Step 2: Convert to fraction form
    2,642,306.32/3,646,389.78 = 1,554,618.88/x
  3. Step 3: Cross multiply
    2,642,306.32x = 3,646,389.78 × 1,554,618.88
  4. Step 4: Simplify right side
    2,642,306.32x = 5,668,746,395,827.05
  5. Step 5: Solve for x
    x = 5,668,746,395,827.05/2,642,306.32
  6. Step 6: Final answer
    x = 2,145,378.21

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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.