Home / 3,478,237.89-4,800,018.04-2,101,390.17

Finding the Fourth Proportional to 3,478,237.89, 4,800,018.04 and 2,101,390.17

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Solution

The fourth proportional to 3,478,237.89, 4,800,018.04 and 2,101,390.17 is: 2,899,948.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,478,237.89 : 4,800,018.04 = 2,101,390.17 : x
  2. Step 2: Convert to fraction form
    3,478,237.89/4,800,018.04 = 2,101,390.17/x
  3. Step 3: Cross multiply
    3,478,237.89x = 4,800,018.04 × 2,101,390.17
  4. Step 4: Simplify right side
    3,478,237.89x = 10,086,710,725,078.67
  5. Step 5: Solve for x
    x = 10,086,710,725,078.67/3,478,237.89
  6. Step 6: Final answer
    x = 2,899,948.49

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1.5x scale

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.