Home / 1,578,015.80-2,367,023.70-1,326,073.40

Finding the Fourth Proportional to 1,578,015.80, 2,367,023.70 and 1,326,073.40

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Solution

The fourth proportional to 1,578,015.80, 2,367,023.70 and 1,326,073.40 is: 1,989,110.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,578,015.80 : 2,367,023.70 = 1,326,073.40 : x
  2. Step 2: Convert to fraction form
    1,578,015.80/2,367,023.70 = 1,326,073.40/x
  3. Step 3: Cross multiply
    1,578,015.80x = 2,367,023.70 × 1,326,073.40
  4. Step 4: Simplify right side
    1,578,015.80x = 3,138,847,165,739.58
  5. Step 5: Solve for x
    x = 3,138,847,165,739.58/1,578,015.80
  6. Step 6: Final answer
    x = 1,989,110.10

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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.