Home / 2,021,412.40-3,030,077.40-1,008,977.20

Finding the Fourth Proportional to 2,021,412.40, 3,030,077.40 and 1,008,977.20

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Solution

The fourth proportional to 2,021,412.40, 3,030,077.40 and 1,008,977.20 is: 1,512,446.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,021,412.40 : 3,030,077.40 = 1,008,977.20 : x
  2. Step 2: Convert to fraction form
    2,021,412.40/3,030,077.40 = 1,008,977.20/x
  3. Step 3: Cross multiply
    2,021,412.40x = 3,030,077.40 × 1,008,977.20
  4. Step 4: Simplify right side
    2,021,412.40x = 3,057,279,010,835.28
  5. Step 5: Solve for x
    x = 3,057,279,010,835.28/2,021,412.40
  6. Step 6: Final answer
    x = 1,512,446.95

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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.