Home / 3,705,165-5,113,127.70-2,009,421

Finding the Fourth Proportional to 3,705,165, 5,113,127.70 and 2,009,421

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Solution

The fourth proportional to 3,705,165, 5,113,127.70 and 2,009,421 is: 2,773,000.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,705,165 : 5,113,127.70 = 2,009,421 : x
  2. Step 2: Convert to fraction form
    3,705,165/5,113,127.70 = 2,009,421/x
  3. Step 3: Cross multiply
    3,705,165x = 5,113,127.70 × 2,009,421
  4. Step 4: Simplify right side
    3,705,165x = 10,274,426,176,061.70
  5. Step 5: Solve for x
    x = 10,274,426,176,061.70/3,705,165
  6. Step 6: Final answer
    x = 2,773,000.98

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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.