Home / 1,949,808.93-2,691,412.77-1,339,980.40

Finding the Fourth Proportional to 1,949,808.93, 2,691,412.77 and 1,339,980.40

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Solution

The fourth proportional to 1,949,808.93, 2,691,412.77 and 1,339,980.40 is: 1,849,637.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,949,808.93 : 2,691,412.77 = 1,339,980.40 : x
  2. Step 2: Convert to fraction form
    1,949,808.93/2,691,412.77 = 1,339,980.40/x
  3. Step 3: Cross multiply
    1,949,808.93x = 2,691,412.77 × 1,339,980.40
  4. Step 4: Simplify right side
    1,949,808.93x = 3,606,440,360,109.71
  5. Step 5: Solve for x
    x = 3,606,440,360,109.71/1,949,808.93
  6. Step 6: Final answer
    x = 1,849,637.83

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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.