Home / 2,943,378.16-4,061,152.40-1,718,988.64

Finding the Fourth Proportional to 2,943,378.16, 4,061,152.40 and 1,718,988.64

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Solution

The fourth proportional to 2,943,378.16, 4,061,152.40 and 1,718,988.64 is: 2,371,789.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,943,378.16 : 4,061,152.40 = 1,718,988.64 : x
  2. Step 2: Convert to fraction form
    2,943,378.16/4,061,152.40 = 1,718,988.64/x
  3. Step 3: Cross multiply
    2,943,378.16x = 4,061,152.40 × 1,718,988.64
  4. Step 4: Simplify right side
    2,943,378.16x = 6,981,074,840,908.74
  5. Step 5: Solve for x
    x = 6,981,074,840,908.74/2,943,378.16
  6. Step 6: Final answer
    x = 2,371,789.98

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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.