Home / 3,511,913.28-5,267,831.52-852,521.28

Finding the Fourth Proportional to 3,511,913.28, 5,267,831.52 and 852,521.28

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Solution

The fourth proportional to 3,511,913.28, 5,267,831.52 and 852,521.28 is: 1,278,772.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,511,913.28 : 5,267,831.52 = 852,521.28 : x
  2. Step 2: Convert to fraction form
    3,511,913.28/5,267,831.52 = 852,521.28/x
  3. Step 3: Cross multiply
    3,511,913.28x = 5,267,831.52 × 852,521.28
  4. Step 4: Simplify right side
    3,511,913.28x = 4,490,938,470,254.75
  5. Step 5: Solve for x
    x = 4,490,938,470,254.75/3,511,913.28
  6. Step 6: Final answer
    x = 1,278,772.60

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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.