Home / 2,913,120-4,369,680-918,576

Finding the Fourth Proportional to 2,913,120, 4,369,680 and 918,576

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Solution

The fourth proportional to 2,913,120, 4,369,680 and 918,576 is: 1,377,864

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,913,120 : 4,369,680 = 918,576 : x
  2. Step 2: Convert to fraction form
    2,913,120/4,369,680 = 918,576/x
  3. Step 3: Cross multiply
    2,913,120x = 4,369,680 × 918,576
  4. Step 4: Simplify right side
    2,913,120x = 4,013,883,175,680
  5. Step 5: Solve for x
    x = 4,013,883,175,680/2,913,120
  6. Step 6: Final answer
    x = 1,377,864

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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.