Home / 1,972,874.40-2,959,311.60-1,547,721.60

Finding the Fourth Proportional to 1,972,874.40, 2,959,311.60 and 1,547,721.60

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Solution

The fourth proportional to 1,972,874.40, 2,959,311.60 and 1,547,721.60 is: 2,321,582.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,972,874.40 : 2,959,311.60 = 1,547,721.60 : x
  2. Step 2: Convert to fraction form
    1,972,874.40/2,959,311.60 = 1,547,721.60/x
  3. Step 3: Cross multiply
    1,972,874.40x = 2,959,311.60 × 1,547,721.60
  4. Step 4: Simplify right side
    1,972,874.40x = 4,580,190,484,450.56
  5. Step 5: Solve for x
    x = 4,580,190,484,450.56/1,972,874.40
  6. Step 6: Final answer
    x = 2,321,582.40

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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.