Home / 1,678,112.61-2,518,422.50-1,137,086.05

Finding the Fourth Proportional to 1,678,112.61, 2,518,422.50 and 1,137,086.05

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Solution

The fourth proportional to 1,678,112.61, 2,518,422.50 and 1,137,086.05 is: 1,706,478.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,678,112.61 : 2,518,422.50 = 1,137,086.05 : x
  2. Step 2: Convert to fraction form
    1,678,112.61/2,518,422.50 = 1,137,086.05/x
  3. Step 3: Cross multiply
    1,678,112.61x = 2,518,422.50 × 1,137,086.05
  4. Step 4: Simplify right side
    1,678,112.61x = 2,863,663,092,756.13
  5. Step 5: Solve for x
    x = 2,863,663,092,756.13/1,678,112.61
  6. Step 6: Final answer
    x = 1,706,478.51

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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.