Home / 1,913,417.16-2,640,515.82-1,053,977.42

Finding the Fourth Proportional to 1,913,417.16, 2,640,515.82 and 1,053,977.42

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Solution

The fourth proportional to 1,913,417.16, 2,640,515.82 and 1,053,977.42 is: 1,454,488.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,913,417.16 : 2,640,515.82 = 1,053,977.42 : x
  2. Step 2: Convert to fraction form
    1,913,417.16/2,640,515.82 = 1,053,977.42/x
  3. Step 3: Cross multiply
    1,913,417.16x = 2,640,515.82 × 1,053,977.42
  4. Step 4: Simplify right side
    1,913,417.16x = 2,783,044,051,432.78
  5. Step 5: Solve for x
    x = 2,783,044,051,432.78/1,913,417.16
  6. Step 6: Final answer
    x = 1,454,488.92

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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.