Home / 2,662,810.80-3,994,216.20-1,243,010.40

Finding the Fourth Proportional to 2,662,810.80, 3,994,216.20 and 1,243,010.40

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Solution

The fourth proportional to 2,662,810.80, 3,994,216.20 and 1,243,010.40 is: 1,864,515.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,662,810.80 : 3,994,216.20 = 1,243,010.40 : x
  2. Step 2: Convert to fraction form
    2,662,810.80/3,994,216.20 = 1,243,010.40/x
  3. Step 3: Cross multiply
    2,662,810.80x = 3,994,216.20 × 1,243,010.40
  4. Step 4: Simplify right side
    2,662,810.80x = 4,964,852,276,448.48
  5. Step 5: Solve for x
    x = 4,964,852,276,448.48/2,662,810.80
  6. Step 6: Final answer
    x = 1,864,515.60

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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.