Home / 2,142,154.49-2,956,173.13-1,224,403.32

Finding the Fourth Proportional to 2,142,154.49, 2,956,173.13 and 1,224,403.32

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Solution

The fourth proportional to 2,142,154.49, 2,956,173.13 and 1,224,403.32 is: 1,689,676.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,142,154.49 : 2,956,173.13 = 1,224,403.32 : x
  2. Step 2: Convert to fraction form
    2,142,154.49/2,956,173.13 = 1,224,403.32/x
  3. Step 3: Cross multiply
    2,142,154.49x = 2,956,173.13 × 1,224,403.32
  4. Step 4: Simplify right side
    2,142,154.49x = 3,619,548,207,482.95
  5. Step 5: Solve for x
    x = 3,619,548,207,482.95/2,142,154.49
  6. Step 6: Final answer
    x = 1,689,676.55

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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.