Home / 5,109,345.21-7,655,341.99-3,083,331.90

Finding the Fourth Proportional to 5,109,345.21, 7,655,341.99 and 3,083,331.90

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Solution

The fourth proportional to 5,109,345.21, 7,655,341.99 and 3,083,331.90 is: 4,619,762.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,109,345.21 : 7,655,341.99 = 3,083,331.90 : x
  2. Step 2: Convert to fraction form
    5,109,345.21/7,655,341.99 = 3,083,331.90/x
  3. Step 3: Cross multiply
    5,109,345.21x = 7,655,341.99 × 3,083,331.90
  4. Step 4: Simplify right side
    5,109,345.21x = 23,603,960,163,176.48
  5. Step 5: Solve for x
    x = 23,603,960,163,176.48/5,109,345.21
  6. Step 6: Final answer
    x = 4,619,762.26

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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.