Home / 5,055,356.56-6,974,688.72-2,878,359.66

Finding the Fourth Proportional to 5,055,356.56, 6,974,688.72 and 2,878,359.66

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Solution

The fourth proportional to 5,055,356.56, 6,974,688.72 and 2,878,359.66 is: 3,971,166.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,055,356.56 : 6,974,688.72 = 2,878,359.66 : x
  2. Step 2: Convert to fraction form
    5,055,356.56/6,974,688.72 = 2,878,359.66/x
  3. Step 3: Cross multiply
    5,055,356.56x = 6,974,688.72 × 2,878,359.66
  4. Step 4: Simplify right side
    5,055,356.56x = 20,075,662,652,705.04
  5. Step 5: Solve for x
    x = 20,075,662,652,705.04/5,055,356.56
  6. Step 6: Final answer
    x = 3,971,166.51

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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.