Home / 5,210,998.16-7,191,073.94-2,887,842.50

Finding the Fourth Proportional to 5,210,998.16, 7,191,073.94 and 2,887,842.50

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Solution

The fourth proportional to 5,210,998.16, 7,191,073.94 and 2,887,842.50 is: 3,985,165.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,210,998.16 : 7,191,073.94 = 2,887,842.50 : x
  2. Step 2: Convert to fraction form
    5,210,998.16/7,191,073.94 = 2,887,842.50/x
  3. Step 3: Cross multiply
    5,210,998.16x = 7,191,073.94 × 2,887,842.50
  4. Step 4: Simplify right side
    5,210,998.16x = 20,766,688,944,574.45
  5. Step 5: Solve for x
    x = 20,766,688,944,574.45/5,210,998.16
  6. Step 6: Final answer
    x = 3,985,165.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.