Home / 1,838,862.60-2,756,981.70-827,156.40

Finding the Fourth Proportional to 1,838,862.60, 2,756,981.70 and 827,156.40

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Solution

The fourth proportional to 1,838,862.60, 2,756,981.70 and 827,156.40 is: 1,240,144.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,838,862.60 : 2,756,981.70 = 827,156.40 : x
  2. Step 2: Convert to fraction form
    1,838,862.60/2,756,981.70 = 827,156.40/x
  3. Step 3: Cross multiply
    1,838,862.60x = 2,756,981.70 × 827,156.40
  4. Step 4: Simplify right side
    1,838,862.60x = 2,280,455,057,837.88
  5. Step 5: Solve for x
    x = 2,280,455,057,837.88/1,838,862.60
  6. Step 6: Final answer
    x = 1,240,144.35

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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.