Home / 6,638,966.69-9,162,647.10-3,738,924.50

Finding the Fourth Proportional to 6,638,966.69, 9,162,647.10 and 3,738,924.50

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Solution

The fourth proportional to 6,638,966.69, 9,162,647.10 and 3,738,924.50 is: 5,160,207.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,638,966.69 : 9,162,647.10 = 3,738,924.50 : x
  2. Step 2: Convert to fraction form
    6,638,966.69/9,162,647.10 = 3,738,924.50/x
  3. Step 3: Cross multiply
    6,638,966.69x = 9,162,647.10 × 3,738,924.50
  4. Step 4: Simplify right side
    6,638,966.69x = 34,258,445,681,230.71
  5. Step 5: Solve for x
    x = 34,258,445,681,230.71/6,638,966.69
  6. Step 6: Final answer
    x = 5,160,207.50

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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.