Home / 1,889,124.80-2,833,687.20-1,605,689.60

Finding the Fourth Proportional to 1,889,124.80, 2,833,687.20 and 1,605,689.60

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Solution

The fourth proportional to 1,889,124.80, 2,833,687.20 and 1,605,689.60 is: 2,408,534.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,889,124.80 : 2,833,687.20 = 1,605,689.60 : x
  2. Step 2: Convert to fraction form
    1,889,124.80/2,833,687.20 = 1,605,689.60/x
  3. Step 3: Cross multiply
    1,889,124.80x = 2,833,687.20 × 1,605,689.60
  4. Step 4: Simplify right side
    1,889,124.80x = 4,550,022,066,693.12
  5. Step 5: Solve for x
    x = 4,550,022,066,693.12/1,889,124.80
  6. Step 6: Final answer
    x = 2,408,534.40

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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.