Home / 2,912,003.80-4,368,005.70-2,061,698.20

Finding the Fourth Proportional to 2,912,003.80, 4,368,005.70 and 2,061,698.20

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Solution

The fourth proportional to 2,912,003.80, 4,368,005.70 and 2,061,698.20 is: 3,092,547.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912,003.80 : 4,368,005.70 = 2,061,698.20 : x
  2. Step 2: Convert to fraction form
    2,912,003.80/4,368,005.70 = 2,061,698.20/x
  3. Step 3: Cross multiply
    2,912,003.80x = 4,368,005.70 × 2,061,698.20
  4. Step 4: Simplify right side
    2,912,003.80x = 9,005,509,489,279.74
  5. Step 5: Solve for x
    x = 9,005,509,489,279.74/2,912,003.80
  6. Step 6: Final answer
    x = 3,092,547.30

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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.