Home / 2,173,021.32-2,998,623.96-1,314,055.20

Finding the Fourth Proportional to 2,173,021.32, 2,998,623.96 and 1,314,055.20

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Solution

The fourth proportional to 2,173,021.32, 2,998,623.96 and 1,314,055.20 is: 1,813,308.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,173,021.32 : 2,998,623.96 = 1,314,055.20 : x
  2. Step 2: Convert to fraction form
    2,173,021.32/2,998,623.96 = 1,314,055.20/x
  3. Step 3: Cross multiply
    2,173,021.32x = 2,998,623.96 × 1,314,055.20
  4. Step 4: Simplify right side
    2,173,021.32x = 3,940,357,407,482.59
  5. Step 5: Solve for x
    x = 3,940,357,407,482.59/2,173,021.32
  6. Step 6: Final answer
    x = 1,813,308.21

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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.