Home / 3,445,396.78-4,754,647.62-1,917,864.76

Finding the Fourth Proportional to 3,445,396.78, 4,754,647.62 and 1,917,864.76

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Solution

The fourth proportional to 3,445,396.78, 4,754,647.62 and 1,917,864.76 is: 2,646,653.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,445,396.78 : 4,754,647.62 = 1,917,864.76 : x
  2. Step 2: Convert to fraction form
    3,445,396.78/4,754,647.62 = 1,917,864.76/x
  3. Step 3: Cross multiply
    3,445,396.78x = 4,754,647.62 × 1,917,864.76
  4. Step 4: Simplify right side
    3,445,396.78x = 9,118,771,116,615.87
  5. Step 5: Solve for x
    x = 9,118,771,116,615.87/3,445,396.78
  6. Step 6: Final answer
    x = 2,646,653.40

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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.