Home / 3,126,001.20-4,685,502.60-1,778,809.20

Finding the Fourth Proportional to 3,126,001.20, 4,685,502.60 and 1,778,809.20

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Solution

The fourth proportional to 3,126,001.20, 4,685,502.60 and 1,778,809.20 is: 2,666,222.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,126,001.20 : 4,685,502.60 = 1,778,809.20 : x
  2. Step 2: Convert to fraction form
    3,126,001.20/4,685,502.60 = 1,778,809.20/x
  3. Step 3: Cross multiply
    3,126,001.20x = 4,685,502.60 × 1,778,809.20
  4. Step 4: Simplify right side
    3,126,001.20x = 8,334,615,131,503.92
  5. Step 5: Solve for x
    x = 8,334,615,131,503.92/3,126,001.20
  6. Step 6: Final answer
    x = 2,666,222.63

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1.5x scale

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.