Home / 4,289,254.79-6,434,972.06-1,215,242.28

Finding the Fourth Proportional to 4,289,254.79, 6,434,972.06 and 1,215,242.28

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Solution

The fourth proportional to 4,289,254.79, 6,434,972.06 and 1,215,242.28 is: 1,823,172.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,289,254.79 : 6,434,972.06 = 1,215,242.28 : x
  2. Step 2: Convert to fraction form
    4,289,254.79/6,434,972.06 = 1,215,242.28/x
  3. Step 3: Cross multiply
    4,289,254.79x = 6,434,972.06 × 1,215,242.28
  4. Step 4: Simplify right side
    4,289,254.79x = 7,820,050,117,930.70
  5. Step 5: Solve for x
    x = 7,820,050,117,930.70/4,289,254.79
  6. Step 6: Final answer
    x = 1,823,172.21

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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.