Home / 7,197,769.60-10,796,654.40-1,878,985.60

Finding the Fourth Proportional to 7,197,769.60, 10,796,654.40 and 1,878,985.60

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Solution

The fourth proportional to 7,197,769.60, 10,796,654.40 and 1,878,985.60 is: 2,818,478.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,197,769.60 : 10,796,654.40 = 1,878,985.60 : x
  2. Step 2: Convert to fraction form
    7,197,769.60/10,796,654.40 = 1,878,985.60/x
  3. Step 3: Cross multiply
    7,197,769.60x = 10,796,654.40 × 1,878,985.60
  4. Step 4: Simplify right side
    7,197,769.60x = 20,286,758,145,776.64
  5. Step 5: Solve for x
    x = 20,286,758,145,776.64/7,197,769.60
  6. Step 6: Final answer
    x = 2,818,478.40

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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.