Home / 3,462,428.95-4,778,399.20-1,913,657.34

Finding the Fourth Proportional to 3,462,428.95, 4,778,399.20 and 1,913,657.34

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Solution

The fourth proportional to 3,462,428.95, 4,778,399.20 and 1,913,657.34 is: 2,640,983.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,462,428.95 : 4,778,399.20 = 1,913,657.34 : x
  2. Step 2: Convert to fraction form
    3,462,428.95/4,778,399.20 = 1,913,657.34/x
  3. Step 3: Cross multiply
    3,462,428.95x = 4,778,399.20 × 1,913,657.34
  4. Step 4: Simplify right side
    3,462,428.95x = 9,144,218,697,745.99
  5. Step 5: Solve for x
    x = 9,144,218,697,745.99/3,462,428.95
  6. Step 6: Final answer
    x = 2,640,983.78

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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.