Home / 1,612,901.60-2,419,352.40-1,314,303.20

Finding the Fourth Proportional to 1,612,901.60, 2,419,352.40 and 1,314,303.20

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Solution

The fourth proportional to 1,612,901.60, 2,419,352.40 and 1,314,303.20 is: 1,971,454.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,612,901.60 : 2,419,352.40 = 1,314,303.20 : x
  2. Step 2: Convert to fraction form
    1,612,901.60/2,419,352.40 = 1,314,303.20/x
  3. Step 3: Cross multiply
    1,612,901.60x = 2,419,352.40 × 1,314,303.20
  4. Step 4: Simplify right side
    1,612,901.60x = 3,179,762,601,247.68
  5. Step 5: Solve for x
    x = 3,179,762,601,247.68/1,612,901.60
  6. Step 6: Final answer
    x = 1,971,454.80

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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.