Home / 1,913,270.42-2,640,312.94-1,053,830.68

Finding the Fourth Proportional to 1,913,270.42, 2,640,312.94 and 1,053,830.68

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Solution

The fourth proportional to 1,913,270.42, 2,640,312.94 and 1,053,830.68 is: 1,454,286.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,913,270.42 : 2,640,312.94 = 1,053,830.68 : x
  2. Step 2: Convert to fraction form
    1,913,270.42/2,640,312.94 = 1,053,830.68/x
  3. Step 3: Cross multiply
    1,913,270.42x = 2,640,312.94 × 1,053,830.68
  4. Step 4: Simplify right side
    1,913,270.42x = 2,782,442,762,502.28
  5. Step 5: Solve for x
    x = 2,782,442,762,502.28/1,913,270.42
  6. Step 6: Final answer
    x = 1,454,286.20

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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.