Home / 4,789,421.76-7,177,894.80-1,946,209.98

Finding the Fourth Proportional to 4,789,421.76, 7,177,894.80 and 1,946,209.98

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Solution

The fourth proportional to 4,789,421.76, 7,177,894.80 and 1,946,209.98 is: 2,916,780.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,789,421.76 : 7,177,894.80 = 1,946,209.98 : x
  2. Step 2: Convert to fraction form
    4,789,421.76/7,177,894.80 = 1,946,209.98/x
  3. Step 3: Cross multiply
    4,789,421.76x = 7,177,894.80 × 1,946,209.98
  4. Step 4: Simplify right side
    4,789,421.76x = 13,969,690,495,150.10
  5. Step 5: Solve for x
    x = 13,969,690,495,150.10/4,789,421.76
  6. Step 6: Final answer
    x = 2,916,780.19

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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.