Home / 1,454,979.19-2,178,742.33-1,214,495.16

Finding the Fourth Proportional to 1,454,979.19, 2,178,742.33 and 1,214,495.16

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Solution

The fourth proportional to 1,454,979.19, 2,178,742.33 and 1,214,495.16 is: 1,818,632.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,454,979.19 : 2,178,742.33 = 1,214,495.16 : x
  2. Step 2: Convert to fraction form
    1,454,979.19/2,178,742.33 = 1,214,495.16/x
  3. Step 3: Cross multiply
    1,454,979.19x = 2,178,742.33 × 1,214,495.16
  4. Step 4: Simplify right side
    1,454,979.19x = 2,646,072,014,672.12
  5. Step 5: Solve for x
    x = 2,646,072,014,672.12/1,454,979.19
  6. Step 6: Final answer
    x = 1,818,632.21

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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.