Home / 2,603,609.60-3,897,811.20-1,857,113.60

Finding the Fourth Proportional to 2,603,609.60, 3,897,811.20 and 1,857,113.60

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Solution

The fourth proportional to 2,603,609.60, 3,897,811.20 and 1,857,113.60 is: 2,780,247.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,603,609.60 : 3,897,811.20 = 1,857,113.60 : x
  2. Step 2: Convert to fraction form
    2,603,609.60/3,897,811.20 = 1,857,113.60/x
  3. Step 3: Cross multiply
    2,603,609.60x = 3,897,811.20 × 1,857,113.60
  4. Step 4: Simplify right side
    2,603,609.60x = 7,238,678,189,752.32
  5. Step 5: Solve for x
    x = 7,238,678,189,752.32/2,603,609.60
  6. Step 6: Final answer
    x = 2,780,247.16

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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.