Home / 1,948,005.40-2,920,039.80-883,811.20

Finding the Fourth Proportional to 1,948,005.40, 2,920,039.80 and 883,811.20

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Solution

The fourth proportional to 1,948,005.40, 2,920,039.80 and 883,811.20 is: 1,324,823.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,948,005.40 : 2,920,039.80 = 883,811.20 : x
  2. Step 2: Convert to fraction form
    1,948,005.40/2,920,039.80 = 883,811.20/x
  3. Step 3: Cross multiply
    1,948,005.40x = 2,920,039.80 × 883,811.20
  4. Step 4: Simplify right side
    1,948,005.40x = 2,580,763,879,685.76
  5. Step 5: Solve for x
    x = 2,580,763,879,685.76/1,948,005.40
  6. Step 6: Final answer
    x = 1,324,823.78

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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.