Home / 3,127,819.80-4,701,752.10-2,905,944.60

Finding the Fourth Proportional to 3,127,819.80, 4,701,752.10 and 2,905,944.60

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Solution

The fourth proportional to 3,127,819.80, 4,701,752.10 and 2,905,944.60 is: 4,368,228.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,127,819.80 : 4,701,752.10 = 2,905,944.60 : x
  2. Step 2: Convert to fraction form
    3,127,819.80/4,701,752.10 = 2,905,944.60/x
  3. Step 3: Cross multiply
    3,127,819.80x = 4,701,752.10 × 2,905,944.60
  4. Step 4: Simplify right side
    3,127,819.80x = 13,663,031,125,533.66
  5. Step 5: Solve for x
    x = 13,663,031,125,533.66/3,127,819.80
  6. Step 6: Final answer
    x = 4,368,228.35

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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.