Home / 2,009,842.40-3,012,139.20-1,448,220.80

Finding the Fourth Proportional to 2,009,842.40, 3,012,139.20 and 1,448,220.80

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Solution

The fourth proportional to 2,009,842.40, 3,012,139.20 and 1,448,220.80 is: 2,170,440.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,009,842.40 : 3,012,139.20 = 1,448,220.80 : x
  2. Step 2: Convert to fraction form
    2,009,842.40/3,012,139.20 = 1,448,220.80/x
  3. Step 3: Cross multiply
    2,009,842.40x = 3,012,139.20 × 1,448,220.80
  4. Step 4: Simplify right side
    2,009,842.40x = 4,362,242,641,935.36
  5. Step 5: Solve for x
    x = 4,362,242,641,935.36/2,009,842.40
  6. Step 6: Final answer
    x = 2,170,440.15

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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.