Home / 5,216,725.29-7,822,804.40-2,140,605.70

Finding the Fourth Proportional to 5,216,725.29, 7,822,804.40 and 2,140,605.70

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Solution

The fourth proportional to 5,216,725.29, 7,822,804.40 and 2,140,605.70 is: 3,209,971.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,216,725.29 : 7,822,804.40 = 2,140,605.70 : x
  2. Step 2: Convert to fraction form
    5,216,725.29/7,822,804.40 = 2,140,605.70/x
  3. Step 3: Cross multiply
    5,216,725.29x = 7,822,804.40 × 2,140,605.70
  4. Step 4: Simplify right side
    5,216,725.29x = 16,745,539,678,433.22
  5. Step 5: Solve for x
    x = 16,745,539,678,433.22/5,216,725.29
  6. Step 6: Final answer
    x = 3,209,971.53

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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.