Home / 3,070,718.29-4,236,220.65-1,780,811.11

Finding the Fourth Proportional to 3,070,718.29, 4,236,220.65 and 1,780,811.11

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Solution

The fourth proportional to 3,070,718.29, 4,236,220.65 and 1,780,811.11 is: 2,456,724.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,070,718.29 : 4,236,220.65 = 1,780,811.11 : x
  2. Step 2: Convert to fraction form
    3,070,718.29/4,236,220.65 = 1,780,811.11/x
  3. Step 3: Cross multiply
    3,070,718.29x = 4,236,220.65 × 1,780,811.11
  4. Step 4: Simplify right side
    3,070,718.29x = 7,543,908,797,931.42
  5. Step 5: Solve for x
    x = 7,543,908,797,931.42/3,070,718.29
  6. Step 6: Final answer
    x = 2,456,724.48

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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.