Home / 3,189,975.36-4,402,152.88-1,739,667.20

Finding the Fourth Proportional to 3,189,975.36, 4,402,152.88 and 1,739,667.20

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Solution

The fourth proportional to 3,189,975.36, 4,402,152.88 and 1,739,667.20 is: 2,400,733.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,189,975.36 : 4,402,152.88 = 1,739,667.20 : x
  2. Step 2: Convert to fraction form
    3,189,975.36/4,402,152.88 = 1,739,667.20/x
  3. Step 3: Cross multiply
    3,189,975.36x = 4,402,152.88 × 1,739,667.20
  4. Step 4: Simplify right side
    3,189,975.36x = 7,658,280,974,721.54
  5. Step 5: Solve for x
    x = 7,658,280,974,721.54/3,189,975.36
  6. Step 6: Final answer
    x = 2,400,733.58

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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.