Home / 5,191,121.27-7,788,345.30-3,634,768.10

Finding the Fourth Proportional to 5,191,121.27, 7,788,345.30 and 3,634,768.10

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Solution

The fourth proportional to 5,191,121.27, 7,788,345.30 and 3,634,768.10 is: 5,453,316.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,191,121.27 : 7,788,345.30 = 3,634,768.10 : x
  2. Step 2: Convert to fraction form
    5,191,121.27/7,788,345.30 = 3,634,768.10/x
  3. Step 3: Cross multiply
    5,191,121.27x = 7,788,345.30 × 3,634,768.10
  4. Step 4: Simplify right side
    5,191,121.27x = 28,308,829,009,283.20
  5. Step 5: Solve for x
    x = 28,308,829,009,283.20/5,191,121.27
  6. Step 6: Final answer
    x = 5,453,316.84

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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.