Home / 3,109,076.84-4,290,412.74-1,732,349.40

Finding the Fourth Proportional to 3,109,076.84, 4,290,412.74 and 1,732,349.40

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Solution

The fourth proportional to 3,109,076.84, 4,290,412.74 and 1,732,349.40 is: 2,390,579.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,109,076.84 : 4,290,412.74 = 1,732,349.40 : x
  2. Step 2: Convert to fraction form
    3,109,076.84/4,290,412.74 = 1,732,349.40/x
  3. Step 3: Cross multiply
    3,109,076.84x = 4,290,412.74 × 1,732,349.40
  4. Step 4: Simplify right side
    3,109,076.84x = 7,432,493,935,891.36
  5. Step 5: Solve for x
    x = 7,432,493,935,891.36/3,109,076.84
  6. Step 6: Final answer
    x = 2,390,579.05

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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.