Home / 5,183,145.78-7,774,718.67-2,487,012.18

Finding the Fourth Proportional to 5,183,145.78, 7,774,718.67 and 2,487,012.18

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Solution

The fourth proportional to 5,183,145.78, 7,774,718.67 and 2,487,012.18 is: 3,730,518.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,183,145.78 : 7,774,718.67 = 2,487,012.18 : x
  2. Step 2: Convert to fraction form
    5,183,145.78/7,774,718.67 = 2,487,012.18/x
  3. Step 3: Cross multiply
    5,183,145.78x = 7,774,718.67 × 2,487,012.18
  4. Step 4: Simplify right side
    5,183,145.78x = 19,335,819,977,054.75
  5. Step 5: Solve for x
    x = 19,335,819,977,054.75/5,183,145.78
  6. Step 6: Final answer
    x = 3,730,518.26

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Similar ratio
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1.5x scale

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.