Home / 1,361,966.40-2,038,111.20-1,186,401.60

Finding the Fourth Proportional to 1,361,966.40, 2,038,111.20 and 1,186,401.60

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Solution

The fourth proportional to 1,361,966.40, 2,038,111.20 and 1,186,401.60 is: 1,775,387.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,361,966.40 : 2,038,111.20 = 1,186,401.60 : x
  2. Step 2: Convert to fraction form
    1,361,966.40/2,038,111.20 = 1,186,401.60/x
  3. Step 3: Cross multiply
    1,361,966.40x = 2,038,111.20 × 1,186,401.60
  4. Step 4: Simplify right side
    1,361,966.40x = 2,418,018,388,657.92
  5. Step 5: Solve for x
    x = 2,418,018,388,657.92/1,361,966.40
  6. Step 6: Final answer
    x = 1,775,387.70

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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.