Home / 4,283,856.64-6,422,420.77-2,931,920.53

Finding the Fourth Proportional to 4,283,856.64, 6,422,420.77 and 2,931,920.53

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Solution

The fourth proportional to 4,283,856.64, 6,422,420.77 and 2,931,920.53 is: 4,395,578.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,283,856.64 : 6,422,420.77 = 2,931,920.53 : x
  2. Step 2: Convert to fraction form
    4,283,856.64/6,422,420.77 = 2,931,920.53/x
  3. Step 3: Cross multiply
    4,283,856.64x = 6,422,420.77 × 2,931,920.53
  4. Step 4: Simplify right side
    4,283,856.64x = 18,830,027,284,475.55
  5. Step 5: Solve for x
    x = 18,830,027,284,475.55/4,283,856.64
  6. Step 6: Final answer
    x = 4,395,578.30

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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.