Home / 1,851,967.29-2,791,831.76-1,728,517.98

Finding the Fourth Proportional to 1,851,967.29, 2,791,831.76 and 1,728,517.98

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Solution

The fourth proportional to 1,851,967.29, 2,791,831.76 and 1,728,517.98 is: 2,605,732.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,851,967.29 : 2,791,831.76 = 1,728,517.98 : x
  2. Step 2: Convert to fraction form
    1,851,967.29/2,791,831.76 = 1,728,517.98/x
  3. Step 3: Cross multiply
    1,851,967.29x = 2,791,831.76 × 1,728,517.98
  4. Step 4: Simplify right side
    1,851,967.29x = 4,825,731,386,899.71
  5. Step 5: Solve for x
    x = 4,825,731,386,899.71/1,851,967.29
  6. Step 6: Final answer
    x = 2,605,732.51

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.