Home / 2,142,198.63-2,955,458.20-1,407,548.13

Finding the Fourth Proportional to 2,142,198.63, 2,955,458.20 and 1,407,548.13

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Solution

The fourth proportional to 2,142,198.63, 2,955,458.20 and 1,407,548.13 is: 1,941,906.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,142,198.63 : 2,955,458.20 = 1,407,548.13 : x
  2. Step 2: Convert to fraction form
    2,142,198.63/2,955,458.20 = 1,407,548.13/x
  3. Step 3: Cross multiply
    2,142,198.63x = 2,955,458.20 × 1,407,548.13
  4. Step 4: Simplify right side
    2,142,198.63x = 4,159,949,662,703.17
  5. Step 5: Solve for x
    x = 4,159,949,662,703.17/2,142,198.63
  6. Step 6: Final answer
    x = 1,941,906.60

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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.