Home / 2,176,284.64-3,003,213-1,209,390.16

Finding the Fourth Proportional to 2,176,284.64, 3,003,213 and 1,209,390.16

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Solution

The fourth proportional to 2,176,284.64, 3,003,213 and 1,209,390.16 is: 1,668,925.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,176,284.64 : 3,003,213 = 1,209,390.16 : x
  2. Step 2: Convert to fraction form
    2,176,284.64/3,003,213 = 1,209,390.16/x
  3. Step 3: Cross multiply
    2,176,284.64x = 3,003,213 × 1,209,390.16
  4. Step 4: Simplify right side
    2,176,284.64x = 3,632,056,250,584.08
  5. Step 5: Solve for x
    x = 3,632,056,250,584.08/2,176,284.64
  6. Step 6: Final answer
    x = 1,668,925.19

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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.