Home / 3,934,200.86-5,429,714.56-2,215,657.34

Finding the Fourth Proportional to 3,934,200.86, 5,429,714.56 and 2,215,657.34

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Solution

The fourth proportional to 3,934,200.86, 5,429,714.56 and 2,215,657.34 is: 3,057,898.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,934,200.86 : 5,429,714.56 = 2,215,657.34 : x
  2. Step 2: Convert to fraction form
    3,934,200.86/5,429,714.56 = 2,215,657.34/x
  3. Step 3: Cross multiply
    3,934,200.86x = 5,429,714.56 × 2,215,657.34
  4. Step 4: Simplify right side
    3,934,200.86x = 12,030,386,886,281.15
  5. Step 5: Solve for x
    x = 12,030,386,886,281.15/3,934,200.86
  6. Step 6: Final answer
    x = 3,057,898.50

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1.5x scale

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.