Home / 2,628,046.80-3,942,070.20-1,210,870.80

Finding the Fourth Proportional to 2,628,046.80, 3,942,070.20 and 1,210,870.80

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Solution

The fourth proportional to 2,628,046.80, 3,942,070.20 and 1,210,870.80 is: 1,816,306.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,628,046.80 : 3,942,070.20 = 1,210,870.80 : x
  2. Step 2: Convert to fraction form
    2,628,046.80/3,942,070.20 = 1,210,870.80/x
  3. Step 3: Cross multiply
    2,628,046.80x = 3,942,070.20 × 1,210,870.80
  4. Step 4: Simplify right side
    2,628,046.80x = 4,773,337,696,730.16
  5. Step 5: Solve for x
    x = 4,773,337,696,730.16/2,628,046.80
  6. Step 6: Final answer
    x = 1,816,306.20

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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.