Home / 4,118,643.10-6,177,964.65-1,279,042.30

Finding the Fourth Proportional to 4,118,643.10, 6,177,964.65 and 1,279,042.30

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Solution

The fourth proportional to 4,118,643.10, 6,177,964.65 and 1,279,042.30 is: 1,918,563.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,118,643.10 : 6,177,964.65 = 1,279,042.30 : x
  2. Step 2: Convert to fraction form
    4,118,643.10/6,177,964.65 = 1,279,042.30/x
  3. Step 3: Cross multiply
    4,118,643.10x = 6,177,964.65 × 1,279,042.30
  4. Step 4: Simplify right side
    4,118,643.10x = 7,901,878,115,254.70
  5. Step 5: Solve for x
    x = 7,901,878,115,254.70/4,118,643.10
  6. Step 6: Final answer
    x = 1,918,563.45

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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.