Home / 2,074,354.20-3,113,864.10-1,603,128.60

Finding the Fourth Proportional to 2,074,354.20, 3,113,864.10 and 1,603,128.60

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Solution

The fourth proportional to 2,074,354.20, 3,113,864.10 and 1,603,128.60 is: 2,406,495.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,074,354.20 : 3,113,864.10 = 1,603,128.60 : x
  2. Step 2: Convert to fraction form
    2,074,354.20/3,113,864.10 = 1,603,128.60/x
  3. Step 3: Cross multiply
    2,074,354.20x = 3,113,864.10 × 1,603,128.60
  4. Step 4: Simplify right side
    2,074,354.20x = 4,991,924,595,223.26
  5. Step 5: Solve for x
    x = 4,991,924,595,223.26/2,074,354.20
  6. Step 6: Final answer
    x = 2,406,495.76

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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.