Home / 2,772,036.70-4,158,055.05-878,775.10

Finding the Fourth Proportional to 2,772,036.70, 4,158,055.05 and 878,775.10

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Solution

The fourth proportional to 2,772,036.70, 4,158,055.05 and 878,775.10 is: 1,318,162.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,772,036.70 : 4,158,055.05 = 878,775.10 : x
  2. Step 2: Convert to fraction form
    2,772,036.70/4,158,055.05 = 878,775.10/x
  3. Step 3: Cross multiply
    2,772,036.70x = 4,158,055.05 × 878,775.10
  4. Step 4: Simplify right side
    2,772,036.70x = 3,653,995,242,369.26
  5. Step 5: Solve for x
    x = 3,653,995,242,369.26/2,772,036.70
  6. Step 6: Final answer
    x = 1,318,162.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.