Home / 5,173,208.76-7,138,381.08-2,997,712.20

Finding the Fourth Proportional to 5,173,208.76, 7,138,381.08 and 2,997,712.20

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Solution

The fourth proportional to 5,173,208.76, 7,138,381.08 and 2,997,712.20 is: 4,136,467.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,173,208.76 : 7,138,381.08 = 2,997,712.20 : x
  2. Step 2: Convert to fraction form
    5,173,208.76/7,138,381.08 = 2,997,712.20/x
  3. Step 3: Cross multiply
    5,173,208.76x = 7,138,381.08 × 2,997,712.20
  4. Step 4: Simplify right side
    5,173,208.76x = 21,398,812,051,765.18
  5. Step 5: Solve for x
    x = 21,398,812,051,765.18/5,173,208.76
  6. Step 6: Final answer
    x = 4,136,467.91

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1.5x scale

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.