Home / 4,920,365.40-7,380,548.10-3,020,947.80

Finding the Fourth Proportional to 4,920,365.40, 7,380,548.10 and 3,020,947.80

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Solution

The fourth proportional to 4,920,365.40, 7,380,548.10 and 3,020,947.80 is: 4,531,421.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920,365.40 : 7,380,548.10 = 3,020,947.80 : x
  2. Step 2: Convert to fraction form
    4,920,365.40/7,380,548.10 = 3,020,947.80/x
  3. Step 3: Cross multiply
    4,920,365.40x = 7,380,548.10 × 3,020,947.80
  4. Step 4: Simplify right side
    4,920,365.40x = 22,296,250,545,489.18
  5. Step 5: Solve for x
    x = 22,296,250,545,489.18/4,920,365.40
  6. Step 6: Final answer
    x = 4,531,421.70

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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.