Home / 2,896,985.40-4,345,478.10-1,826,230.20

Finding the Fourth Proportional to 2,896,985.40, 4,345,478.10 and 1,826,230.20

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Solution

The fourth proportional to 2,896,985.40, 4,345,478.10 and 1,826,230.20 is: 2,739,345.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,896,985.40 : 4,345,478.10 = 1,826,230.20 : x
  2. Step 2: Convert to fraction form
    2,896,985.40/4,345,478.10 = 1,826,230.20/x
  3. Step 3: Cross multiply
    2,896,985.40x = 4,345,478.10 × 1,826,230.20
  4. Step 4: Simplify right side
    2,896,985.40x = 7,935,843,339,658.62
  5. Step 5: Solve for x
    x = 7,935,843,339,658.62/2,896,985.40
  6. Step 6: Final answer
    x = 2,739,345.30

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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.