Home / 3,155,956-4,727,678.64-1,470,741.28

Finding the Fourth Proportional to 3,155,956, 4,727,678.64 and 1,470,741.28

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Solution

The fourth proportional to 3,155,956, 4,727,678.64 and 1,470,741.28 is: 2,203,196.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,155,956 : 4,727,678.64 = 1,470,741.28 : x
  2. Step 2: Convert to fraction form
    3,155,956/4,727,678.64 = 1,470,741.28/x
  3. Step 3: Cross multiply
    3,155,956x = 4,727,678.64 × 1,470,741.28
  4. Step 4: Simplify right side
    3,155,956x = 6,953,192,134,422.26
  5. Step 5: Solve for x
    x = 6,953,192,134,422.26/3,155,956
  6. Step 6: Final answer
    x = 2,203,196.79

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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.