Home / 3,475,643.40-5,215,020.30-1,581,409.80

Finding the Fourth Proportional to 3,475,643.40, 5,215,020.30 and 1,581,409.80

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Solution

The fourth proportional to 3,475,643.40, 5,215,020.30 and 1,581,409.80 is: 2,372,822.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,475,643.40 : 5,215,020.30 = 1,581,409.80 : x
  2. Step 2: Convert to fraction form
    3,475,643.40/5,215,020.30 = 1,581,409.80/x
  3. Step 3: Cross multiply
    3,475,643.40x = 5,215,020.30 × 1,581,409.80
  4. Step 4: Simplify right side
    3,475,643.40x = 8,247,084,209,618.94
  5. Step 5: Solve for x
    x = 8,247,084,209,618.94/3,475,643.40
  6. Step 6: Final answer
    x = 2,372,822.31

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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.