Home / 5,385,271.80-8,077,907.70-4,180,672.20

Finding the Fourth Proportional to 5,385,271.80, 8,077,907.70 and 4,180,672.20

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Solution

The fourth proportional to 5,385,271.80, 8,077,907.70 and 4,180,672.20 is: 6,271,008.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,385,271.80 : 8,077,907.70 = 4,180,672.20 : x
  2. Step 2: Convert to fraction form
    5,385,271.80/8,077,907.70 = 4,180,672.20/x
  3. Step 3: Cross multiply
    5,385,271.80x = 8,077,907.70 × 4,180,672.20
  4. Step 4: Simplify right side
    5,385,271.80x = 33,771,084,155,555.94
  5. Step 5: Solve for x
    x = 33,771,084,155,555.94/5,385,271.80
  6. Step 6: Final answer
    x = 6,271,008.30

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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.