Home / 2,073,422.40-3,110,133.60-1,719,128.40

Finding the Fourth Proportional to 2,073,422.40, 3,110,133.60 and 1,719,128.40

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Solution

The fourth proportional to 2,073,422.40, 3,110,133.60 and 1,719,128.40 is: 2,578,692.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,073,422.40 : 3,110,133.60 = 1,719,128.40 : x
  2. Step 2: Convert to fraction form
    2,073,422.40/3,110,133.60 = 1,719,128.40/x
  3. Step 3: Cross multiply
    2,073,422.40x = 3,110,133.60 × 1,719,128.40
  4. Step 4: Simplify right side
    2,073,422.40x = 5,346,718,999,554.24
  5. Step 5: Solve for x
    x = 5,346,718,999,554.24/2,073,422.40
  6. Step 6: Final answer
    x = 2,578,692.60

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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.