Home / 2,999,856.80-4,139,794.01-1,623,223.85

Finding the Fourth Proportional to 2,999,856.80, 4,139,794.01 and 1,623,223.85

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Solution

The fourth proportional to 2,999,856.80, 4,139,794.01 and 1,623,223.85 is: 2,240,044.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,999,856.80 : 4,139,794.01 = 1,623,223.85 : x
  2. Step 2: Convert to fraction form
    2,999,856.80/4,139,794.01 = 1,623,223.85/x
  3. Step 3: Cross multiply
    2,999,856.80x = 4,139,794.01 × 1,623,223.85
  4. Step 4: Simplify right side
    2,999,856.80x = 6,719,812,363,003.02
  5. Step 5: Solve for x
    x = 6,719,812,363,003.02/2,999,856.80
  6. Step 6: Final answer
    x = 2,240,044.38

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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.