Home / 3,430,288.80-4,734,089.28-1,902,888

Finding the Fourth Proportional to 3,430,288.80, 4,734,089.28 and 1,902,888

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Solution

The fourth proportional to 3,430,288.80, 4,734,089.28 and 1,902,888 is: 2,626,146.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,430,288.80 : 4,734,089.28 = 1,902,888 : x
  2. Step 2: Convert to fraction form
    3,430,288.80/4,734,089.28 = 1,902,888/x
  3. Step 3: Cross multiply
    3,430,288.80x = 4,734,089.28 × 1,902,888
  4. Step 4: Simplify right side
    3,430,288.80x = 9,008,441,681,840.64
  5. Step 5: Solve for x
    x = 9,008,441,681,840.64/3,430,288.80
  6. Step 6: Final answer
    x = 2,626,146.72

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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.