Home / 2,925,689.76-4,039,943.76-1,839,778.56

Finding the Fourth Proportional to 2,925,689.76, 4,039,943.76 and 1,839,778.56

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Solution

The fourth proportional to 2,925,689.76, 4,039,943.76 and 1,839,778.56 is: 2,540,461.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,925,689.76 : 4,039,943.76 = 1,839,778.56 : x
  2. Step 2: Convert to fraction form
    2,925,689.76/4,039,943.76 = 1,839,778.56/x
  3. Step 3: Cross multiply
    2,925,689.76x = 4,039,943.76 × 1,839,778.56
  4. Step 4: Simplify right side
    2,925,689.76x = 7,432,601,913,253.79
  5. Step 5: Solve for x
    x = 7,432,601,913,253.79/2,925,689.76
  6. Step 6: Final answer
    x = 2,540,461.40

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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.