Home / 3,126,639.30-4,314,839.67-1,749,971.40

Finding the Fourth Proportional to 3,126,639.30, 4,314,839.67 and 1,749,971.40

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Solution

The fourth proportional to 3,126,639.30, 4,314,839.67 and 1,749,971.40 is: 2,415,003.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,126,639.30 : 4,314,839.67 = 1,749,971.40 : x
  2. Step 2: Convert to fraction form
    3,126,639.30/4,314,839.67 = 1,749,971.40/x
  3. Step 3: Cross multiply
    3,126,639.30x = 4,314,839.67 × 1,749,971.40
  4. Step 4: Simplify right side
    3,126,639.30x = 7,550,846,018,085.44
  5. Step 5: Solve for x
    x = 7,550,846,018,085.44/3,126,639.30
  6. Step 6: Final answer
    x = 2,415,003.87

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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.