Home / 1,680,646.68-2,521,297.80-543,690.72

Finding the Fourth Proportional to 1,680,646.68, 2,521,297.80 and 543,690.72

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Solution

The fourth proportional to 1,680,646.68, 2,521,297.80 and 543,690.72 is: 815,642.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,680,646.68 : 2,521,297.80 = 543,690.72 : x
  2. Step 2: Convert to fraction form
    1,680,646.68/2,521,297.80 = 543,690.72/x
  3. Step 3: Cross multiply
    1,680,646.68x = 2,521,297.80 × 543,690.72
  4. Step 4: Simplify right side
    1,680,646.68x = 1,370,806,216,216.42
  5. Step 5: Solve for x
    x = 1,370,806,216,216.42/1,680,646.68
  6. Step 6: Final answer
    x = 815,642.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.