Home / 3,323,780.40-4,984,979.40-1,430,583.60

Finding the Fourth Proportional to 3,323,780.40, 4,984,979.40 and 1,430,583.60

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Solution

The fourth proportional to 3,323,780.40, 4,984,979.40 and 1,430,583.60 is: 2,145,577.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,323,780.40 : 4,984,979.40 = 1,430,583.60 : x
  2. Step 2: Convert to fraction form
    3,323,780.40/4,984,979.40 = 1,430,583.60/x
  3. Step 3: Cross multiply
    3,323,780.40x = 4,984,979.40 × 1,430,583.60
  4. Step 4: Simplify right side
    3,323,780.40x = 7,131,429,775,977.84
  5. Step 5: Solve for x
    x = 7,131,429,775,977.84/3,323,780.40
  6. Step 6: Final answer
    x = 2,145,577.90

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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.