Home / 6,909,417.60-10,363,219.20-2,117,587.20

Finding the Fourth Proportional to 6,909,417.60, 10,363,219.20 and 2,117,587.20

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Solution

The fourth proportional to 6,909,417.60, 10,363,219.20 and 2,117,587.20 is: 3,176,102.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,909,417.60 : 10,363,219.20 = 2,117,587.20 : x
  2. Step 2: Convert to fraction form
    6,909,417.60/10,363,219.20 = 2,117,587.20/x
  3. Step 3: Cross multiply
    6,909,417.60x = 10,363,219.20 × 2,117,587.20
  4. Step 4: Simplify right side
    6,909,417.60x = 21,945,020,328,714.24
  5. Step 5: Solve for x
    x = 21,945,020,328,714.24/6,909,417.60
  6. Step 6: Final answer
    x = 3,176,102.76

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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.