Home / 1,570,861.40-2,167,799.10-891,809.24

Finding the Fourth Proportional to 1,570,861.40, 2,167,799.10 and 891,809.24

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Solution

The fourth proportional to 1,570,861.40, 2,167,799.10 and 891,809.24 is: 1,230,702.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,570,861.40 : 2,167,799.10 = 891,809.24 : x
  2. Step 2: Convert to fraction form
    1,570,861.40/2,167,799.10 = 891,809.24/x
  3. Step 3: Cross multiply
    1,570,861.40x = 2,167,799.10 × 891,809.24
  4. Step 4: Simplify right side
    1,570,861.40x = 1,933,263,267,843.68
  5. Step 5: Solve for x
    x = 1,933,263,267,843.68/1,570,861.40
  6. Step 6: Final answer
    x = 1,230,702.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.