Home / 3,000,407.30-4,140,529.79-1,623,720.57

Finding the Fourth Proportional to 3,000,407.30, 4,140,529.79 and 1,623,720.57

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Solution

The fourth proportional to 3,000,407.30, 4,140,529.79 and 1,623,720.57 is: 2,240,716.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,000,407.30 : 4,140,529.79 = 1,623,720.57 : x
  2. Step 2: Convert to fraction form
    3,000,407.30/4,140,529.79 = 1,623,720.57/x
  3. Step 3: Cross multiply
    3,000,407.30x = 4,140,529.79 × 1,623,720.57
  4. Step 4: Simplify right side
    3,000,407.30x = 6,723,063,367,075.19
  5. Step 5: Solve for x
    x = 6,723,063,367,075.19/3,000,407.30
  6. Step 6: Final answer
    x = 2,240,716.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.