Home / 2,228,274-3,075,055.38-1,209,678.75

Finding the Fourth Proportional to 2,228,274, 3,075,055.38 and 1,209,678.75

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Solution

The fourth proportional to 2,228,274, 3,075,055.38 and 1,209,678.75 is: 1,669,376.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,228,274 : 3,075,055.38 = 1,209,678.75 : x
  2. Step 2: Convert to fraction form
    2,228,274/3,075,055.38 = 1,209,678.75/x
  3. Step 3: Cross multiply
    2,228,274x = 3,075,055.38 × 1,209,678.75
  4. Step 4: Simplify right side
    2,228,274x = 3,719,829,148,259.18
  5. Step 5: Solve for x
    x = 3,719,829,148,259.18/2,228,274
  6. Step 6: Final answer
    x = 1,669,376.90

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1.5x scale

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.