Home / 2,697,420.80-4,047,686.40-1,015,731.20

Finding the Fourth Proportional to 2,697,420.80, 4,047,686.40 and 1,015,731.20

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Solution

The fourth proportional to 2,697,420.80, 4,047,686.40 and 1,015,731.20 is: 1,524,182.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,697,420.80 : 4,047,686.40 = 1,015,731.20 : x
  2. Step 2: Convert to fraction form
    2,697,420.80/4,047,686.40 = 1,015,731.20/x
  3. Step 3: Cross multiply
    2,697,420.80x = 4,047,686.40 × 1,015,731.20
  4. Step 4: Simplify right side
    2,697,420.80x = 4,111,361,364,295.68
  5. Step 5: Solve for x
    x = 4,111,361,364,295.68/2,697,420.80
  6. Step 6: Final answer
    x = 1,524,182.42

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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.