Home / 2,308,187.20-3,462,280.80-1,312,859.20

Finding the Fourth Proportional to 2,308,187.20, 3,462,280.80 and 1,312,859.20

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Solution

The fourth proportional to 2,308,187.20, 3,462,280.80 and 1,312,859.20 is: 1,969,288.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,308,187.20 : 3,462,280.80 = 1,312,859.20 : x
  2. Step 2: Convert to fraction form
    2,308,187.20/3,462,280.80 = 1,312,859.20/x
  3. Step 3: Cross multiply
    2,308,187.20x = 3,462,280.80 × 1,312,859.20
  4. Step 4: Simplify right side
    2,308,187.20x = 4,545,487,201,263.36
  5. Step 5: Solve for x
    x = 4,545,487,201,263.36/2,308,187.20
  6. Step 6: Final answer
    x = 1,969,288.80

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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.