Home / 3,609,878.40-4,980,314.16-2,159,615.52

Finding the Fourth Proportional to 3,609,878.40, 4,980,314.16 and 2,159,615.52

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Solution

The fourth proportional to 3,609,878.40, 4,980,314.16 and 2,159,615.52 is: 2,979,480.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,609,878.40 : 4,980,314.16 = 2,159,615.52 : x
  2. Step 2: Convert to fraction form
    3,609,878.40/4,980,314.16 = 2,159,615.52/x
  3. Step 3: Cross multiply
    3,609,878.40x = 4,980,314.16 × 2,159,615.52
  4. Step 4: Simplify right side
    3,609,878.40x = 10,755,563,754,411.76
  5. Step 5: Solve for x
    x = 10,755,563,754,411.76/3,609,878.40
  6. Step 6: Final answer
    x = 2,979,480.90

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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.