Home / 2,158,705.60-3,238,447.20-896,660.80

Finding the Fourth Proportional to 2,158,705.60, 3,238,447.20 and 896,660.80

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Solution

The fourth proportional to 2,158,705.60, 3,238,447.20 and 896,660.80 is: 1,345,152.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,158,705.60 : 3,238,447.20 = 896,660.80 : x
  2. Step 2: Convert to fraction form
    2,158,705.60/3,238,447.20 = 896,660.80/x
  3. Step 3: Cross multiply
    2,158,705.60x = 3,238,447.20 × 896,660.80
  4. Step 4: Simplify right side
    2,158,705.60x = 2,903,788,657,109.76
  5. Step 5: Solve for x
    x = 2,903,788,657,109.76/2,158,705.60
  6. Step 6: Final answer
    x = 1,345,152.70

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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.