Home / 2,134,512.90-3,200,732.55-1,186,877.70

Finding the Fourth Proportional to 2,134,512.90, 3,200,732.55 and 1,186,877.70

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Solution

The fourth proportional to 2,134,512.90, 3,200,732.55 and 1,186,877.70 is: 1,779,740.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,134,512.90 : 3,200,732.55 = 1,186,877.70 : x
  2. Step 2: Convert to fraction form
    2,134,512.90/3,200,732.55 = 1,186,877.70/x
  3. Step 3: Cross multiply
    2,134,512.90x = 3,200,732.55 × 1,186,877.70
  4. Step 4: Simplify right side
    2,134,512.90x = 3,798,878,087,259.14
  5. Step 5: Solve for x
    x = 3,798,878,087,259.14/2,134,512.90
  6. Step 6: Final answer
    x = 1,779,740.05

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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.