Home / 2,142,150.90-2,955,392.50-1,407,500.88

Finding the Fourth Proportional to 2,142,150.90, 2,955,392.50 and 1,407,500.88

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Solution

The fourth proportional to 2,142,150.90, 2,955,392.50 and 1,407,500.88 is: 1,941,841.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,142,150.90 : 2,955,392.50 = 1,407,500.88 : x
  2. Step 2: Convert to fraction form
    2,142,150.90/2,955,392.50 = 1,407,500.88/x
  3. Step 3: Cross multiply
    2,142,150.90x = 2,955,392.50 × 1,407,500.88
  4. Step 4: Simplify right side
    2,142,150.90x = 4,159,717,544,495.40
  5. Step 5: Solve for x
    x = 4,159,717,544,495.40/2,142,150.90
  6. Step 6: Final answer
    x = 1,941,841.51

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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.