Home / 4,555,920.64-6,833,947.20-1,190,128

Finding the Fourth Proportional to 4,555,920.64, 6,833,947.20 and 1,190,128

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Solution

The fourth proportional to 4,555,920.64, 6,833,947.20 and 1,190,128 is: 1,785,209.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,555,920.64 : 6,833,947.20 = 1,190,128 : x
  2. Step 2: Convert to fraction form
    4,555,920.64/6,833,947.20 = 1,190,128/x
  3. Step 3: Cross multiply
    4,555,920.64x = 6,833,947.20 × 1,190,128
  4. Step 4: Simplify right side
    4,555,920.64x = 8,133,271,913,241.60
  5. Step 5: Solve for x
    x = 8,133,271,913,241.60/4,555,920.64
  6. Step 6: Final answer
    x = 1,785,209.30

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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.