Home / 4,855,729.28-7,280,915.75-1,976,356.97

Finding the Fourth Proportional to 4,855,729.28, 7,280,915.75 and 1,976,356.97

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Solution

The fourth proportional to 4,855,729.28, 7,280,915.75 and 1,976,356.97 is: 2,963,445.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,855,729.28 : 7,280,915.75 = 1,976,356.97 : x
  2. Step 2: Convert to fraction form
    4,855,729.28/7,280,915.75 = 1,976,356.97/x
  3. Step 3: Cross multiply
    4,855,729.28x = 7,280,915.75 × 1,976,356.97
  4. Step 4: Simplify right side
    4,855,729.28x = 14,389,688,578,923.69
  5. Step 5: Solve for x
    x = 14,389,688,578,923.69/4,855,729.28
  6. Step 6: Final answer
    x = 2,963,445.40

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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.