Home / 3,887,459.60-5,364,657.68-2,145,145.01

Finding the Fourth Proportional to 3,887,459.60, 5,364,657.68 and 2,145,145.01

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Solution

The fourth proportional to 3,887,459.60, 5,364,657.68 and 2,145,145.01 is: 2,960,279.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,887,459.60 : 5,364,657.68 = 2,145,145.01 : x
  2. Step 2: Convert to fraction form
    3,887,459.60/5,364,657.68 = 2,145,145.01/x
  3. Step 3: Cross multiply
    3,887,459.60x = 5,364,657.68 × 2,145,145.01
  4. Step 4: Simplify right side
    3,887,459.60x = 11,507,968,615,061.16
  5. Step 5: Solve for x
    x = 11,507,968,615,061.16/3,887,459.60
  6. Step 6: Final answer
    x = 2,960,279.93

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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.