Home / 1,812,611.80-2,718,831.30-614,416.60

Finding the Fourth Proportional to 1,812,611.80, 2,718,831.30 and 614,416.60

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Solution

The fourth proportional to 1,812,611.80, 2,718,831.30 and 614,416.60 is: 921,595.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,812,611.80 : 2,718,831.30 = 614,416.60 : x
  2. Step 2: Convert to fraction form
    1,812,611.80/2,718,831.30 = 614,416.60/x
  3. Step 3: Cross multiply
    1,812,611.80x = 2,718,831.30 × 614,416.60
  4. Step 4: Simplify right side
    1,812,611.80x = 1,670,495,083,319.58
  5. Step 5: Solve for x
    x = 1,670,495,083,319.58/1,812,611.80
  6. Step 6: Final answer
    x = 921,595.61

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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.