Home / 3,881,037.20-5,824,320.60-1,638,784.40

Finding the Fourth Proportional to 3,881,037.20, 5,824,320.60 and 1,638,784.40

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Solution

The fourth proportional to 3,881,037.20, 5,824,320.60 and 1,638,784.40 is: 2,459,344.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,881,037.20 : 5,824,320.60 = 1,638,784.40 : x
  2. Step 2: Convert to fraction form
    3,881,037.20/5,824,320.60 = 1,638,784.40/x
  3. Step 3: Cross multiply
    3,881,037.20x = 5,824,320.60 × 1,638,784.40
  4. Step 4: Simplify right side
    3,881,037.20x = 9,544,805,739,878.64
  5. Step 5: Solve for x
    x = 9,544,805,739,878.64/3,881,037.20
  6. Step 6: Final answer
    x = 2,459,344.05

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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.