Home / 3,459,909.89-4,774,820.71-1,989,819.59

Finding the Fourth Proportional to 3,459,909.89, 4,774,820.71 and 1,989,819.59

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Solution

The fourth proportional to 3,459,909.89, 4,774,820.71 and 1,989,819.59 is: 2,746,034.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,459,909.89 : 4,774,820.71 = 1,989,819.59 : x
  2. Step 2: Convert to fraction form
    3,459,909.89/4,774,820.71 = 1,989,819.59/x
  3. Step 3: Cross multiply
    3,459,909.89x = 4,774,820.71 × 1,989,819.59
  4. Step 4: Simplify right side
    3,459,909.89x = 9,501,031,771,330.76
  5. Step 5: Solve for x
    x = 9,501,031,771,330.76/3,459,909.89
  6. Step 6: Final answer
    x = 2,746,034.45

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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.