Home / 2,971,361.20-4,457,041.80-1,077,856.60

Finding the Fourth Proportional to 2,971,361.20, 4,457,041.80 and 1,077,856.60

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Solution

The fourth proportional to 2,971,361.20, 4,457,041.80 and 1,077,856.60 is: 1,616,784.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,971,361.20 : 4,457,041.80 = 1,077,856.60 : x
  2. Step 2: Convert to fraction form
    2,971,361.20/4,457,041.80 = 1,077,856.60/x
  3. Step 3: Cross multiply
    2,971,361.20x = 4,457,041.80 × 1,077,856.60
  4. Step 4: Simplify right side
    2,971,361.20x = 4,804,051,920,605.88
  5. Step 5: Solve for x
    x = 4,804,051,920,605.88/2,971,361.20
  6. Step 6: Final answer
    x = 1,616,784.90

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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.