Home / 2,205,772.80-3,307,881.60-785,875.20

Finding the Fourth Proportional to 2,205,772.80, 3,307,881.60 and 785,875.20

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Solution

The fourth proportional to 2,205,772.80, 3,307,881.60 and 785,875.20 is: 1,178,535.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,205,772.80 : 3,307,881.60 = 785,875.20 : x
  2. Step 2: Convert to fraction form
    2,205,772.80/3,307,881.60 = 785,875.20/x
  3. Step 3: Cross multiply
    2,205,772.80x = 3,307,881.60 × 785,875.20
  4. Step 4: Simplify right side
    2,205,772.80x = 2,599,582,113,976.32
  5. Step 5: Solve for x
    x = 2,599,582,113,976.32/2,205,772.80
  6. Step 6: Final answer
    x = 1,178,535.76

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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.