Home / 3,689,547.40-5,091,356.10-2,140,689.10

Finding the Fourth Proportional to 3,689,547.40, 5,091,356.10 and 2,140,689.10

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Solution

The fourth proportional to 3,689,547.40, 5,091,356.10 and 2,140,689.10 is: 2,954,023.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,689,547.40 : 5,091,356.10 = 2,140,689.10 : x
  2. Step 2: Convert to fraction form
    3,689,547.40/5,091,356.10 = 2,140,689.10/x
  3. Step 3: Cross multiply
    3,689,547.40x = 5,091,356.10 × 2,140,689.10
  4. Step 4: Simplify right side
    3,689,547.40x = 10,899,010,507,488.51
  5. Step 5: Solve for x
    x = 10,899,010,507,488.51/3,689,547.40
  6. Step 6: Final answer
    x = 2,954,023.71

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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.