Home / 6,345,461.13-9,519,557.91-1,968,511.79

Finding the Fourth Proportional to 6,345,461.13, 9,519,557.91 and 1,968,511.79

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Solution

The fourth proportional to 6,345,461.13, 9,519,557.91 and 1,968,511.79 is: 2,953,191.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,345,461.13 : 9,519,557.91 = 1,968,511.79 : x
  2. Step 2: Convert to fraction form
    6,345,461.13/9,519,557.91 = 1,968,511.79/x
  3. Step 3: Cross multiply
    6,345,461.13x = 9,519,557.91 × 1,968,511.79
  4. Step 4: Simplify right side
    6,345,461.13x = 18,739,361,997,839.73
  5. Step 5: Solve for x
    x = 18,739,361,997,839.73/6,345,461.13
  6. Step 6: Final answer
    x = 2,953,191.52

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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.