Home / 4,739,342.80-7,102,793.40-1,897,128.40

Finding the Fourth Proportional to 4,739,342.80, 7,102,793.40 and 1,897,128.40

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Solution

The fourth proportional to 4,739,342.80, 7,102,793.40 and 1,897,128.40 is: 2,843,202.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,739,342.80 : 7,102,793.40 = 1,897,128.40 : x
  2. Step 2: Convert to fraction form
    4,739,342.80/7,102,793.40 = 1,897,128.40/x
  3. Step 3: Cross multiply
    4,739,342.80x = 7,102,793.40 × 1,897,128.40
  4. Step 4: Simplify right side
    4,739,342.80x = 13,474,911,078,472.56
  5. Step 5: Solve for x
    x = 13,474,911,078,472.56/4,739,342.80
  6. Step 6: Final answer
    x = 2,843,202.45

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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.