Home / 1,816,677.38-2,507,017.16-989,746.83

Finding the Fourth Proportional to 1,816,677.38, 2,507,017.16 and 989,746.83

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Solution

The fourth proportional to 1,816,677.38, 2,507,017.16 and 989,746.83 is: 1,365,851.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,816,677.38 : 2,507,017.16 = 989,746.83 : x
  2. Step 2: Convert to fraction form
    1,816,677.38/2,507,017.16 = 989,746.83/x
  3. Step 3: Cross multiply
    1,816,677.38x = 2,507,017.16 × 989,746.83
  4. Step 4: Simplify right side
    1,816,677.38x = 2,481,312,289,339.97
  5. Step 5: Solve for x
    x = 2,481,312,289,339.97/1,816,677.38
  6. Step 6: Final answer
    x = 1,365,851.92

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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.