Home / 4,712,142.23-7,061,673.70-2,147,088.50

Finding the Fourth Proportional to 4,712,142.23, 7,061,673.70 and 2,147,088.50

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Solution

The fourth proportional to 4,712,142.23, 7,061,673.70 and 2,147,088.50 is: 3,217,652.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,712,142.23 : 7,061,673.70 = 2,147,088.50 : x
  2. Step 2: Convert to fraction form
    4,712,142.23/7,061,673.70 = 2,147,088.50/x
  3. Step 3: Cross multiply
    4,712,142.23x = 7,061,673.70 × 2,147,088.50
  4. Step 4: Simplify right side
    4,712,142.23x = 15,162,038,392,022.45
  5. Step 5: Solve for x
    x = 15,162,038,392,022.45/4,712,142.23
  6. Step 6: Final answer
    x = 3,217,652.96

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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.