Home / 3,430,387.30-4,734,225.21-1,902,986.50

Finding the Fourth Proportional to 3,430,387.30, 4,734,225.21 and 1,902,986.50

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Solution

The fourth proportional to 3,430,387.30, 4,734,225.21 and 1,902,986.50 is: 2,626,282.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,430,387.30 : 4,734,225.21 = 1,902,986.50 : x
  2. Step 2: Convert to fraction form
    3,430,387.30/4,734,225.21 = 1,902,986.50/x
  3. Step 3: Cross multiply
    3,430,387.30x = 4,734,225.21 × 1,902,986.50
  4. Step 4: Simplify right side
    3,430,387.30x = 9,009,166,662,589.66
  5. Step 5: Solve for x
    x = 9,009,166,662,589.66/3,430,387.30
  6. Step 6: Final answer
    x = 2,626,282.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.