Home / 1,776,203.60-2,664,305.40-1,421,909.60

Finding the Fourth Proportional to 1,776,203.60, 2,664,305.40 and 1,421,909.60

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Solution

The fourth proportional to 1,776,203.60, 2,664,305.40 and 1,421,909.60 is: 2,132,864.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,776,203.60 : 2,664,305.40 = 1,421,909.60 : x
  2. Step 2: Convert to fraction form
    1,776,203.60/2,664,305.40 = 1,421,909.60/x
  3. Step 3: Cross multiply
    1,776,203.60x = 2,664,305.40 × 1,421,909.60
  4. Step 4: Simplify right side
    1,776,203.60x = 3,788,401,425,591.84
  5. Step 5: Solve for x
    x = 3,788,401,425,591.84/1,776,203.60
  6. Step 6: Final answer
    x = 2,132,864.40

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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.