Home / 2,370,387.03-3,271,153.78-1,390,911.74

Finding the Fourth Proportional to 2,370,387.03, 3,271,153.78 and 1,390,911.74

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Solution

The fourth proportional to 2,370,387.03, 3,271,153.78 and 1,390,911.74 is: 1,919,469.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,370,387.03 : 3,271,153.78 = 1,390,911.74 : x
  2. Step 2: Convert to fraction form
    2,370,387.03/3,271,153.78 = 1,390,911.74/x
  3. Step 3: Cross multiply
    2,370,387.03x = 3,271,153.78 × 1,390,911.74
  4. Step 4: Simplify right side
    2,370,387.03x = 4,549,886,195,947.38
  5. Step 5: Solve for x
    x = 4,549,886,195,947.38/2,370,387.03
  6. Step 6: Final answer
    x = 1,919,469.75

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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.