Home / 1,587,994.58-2,191,445.88-862,842.30

Finding the Fourth Proportional to 1,587,994.58, 2,191,445.88 and 862,842.30

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Solution

The fourth proportional to 1,587,994.58, 2,191,445.88 and 862,842.30 is: 1,190,729.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,587,994.58 : 2,191,445.88 = 862,842.30 : x
  2. Step 2: Convert to fraction form
    1,587,994.58/2,191,445.88 = 862,842.30/x
  3. Step 3: Cross multiply
    1,587,994.58x = 2,191,445.88 × 862,842.30
  4. Step 4: Simplify right side
    1,587,994.58x = 1,890,872,203,424.72
  5. Step 5: Solve for x
    x = 1,890,872,203,424.72/1,587,994.58
  6. Step 6: Final answer
    x = 1,190,729.63

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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.