Home / 6,456,126.81-8,909,347.35-3,555,787.56

Finding the Fourth Proportional to 6,456,126.81, 8,909,347.35 and 3,555,787.56

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Solution

The fourth proportional to 6,456,126.81, 8,909,347.35 and 3,555,787.56 is: 4,906,927.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,456,126.81 : 8,909,347.35 = 3,555,787.56 : x
  2. Step 2: Convert to fraction form
    6,456,126.81/8,909,347.35 = 3,555,787.56/x
  3. Step 3: Cross multiply
    6,456,126.81x = 8,909,347.35 × 3,555,787.56
  4. Step 4: Simplify right side
    6,456,126.81x = 31,679,746,474,848.96
  5. Step 5: Solve for x
    x = 31,679,746,474,848.96/6,456,126.81
  6. Step 6: Final answer
    x = 4,906,927.54

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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.