Home / 2,175,130.32-3,000,470.40-2,021,179.02

Finding the Fourth Proportional to 2,175,130.32, 3,000,470.40 and 2,021,179.02

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Solution

The fourth proportional to 2,175,130.32, 3,000,470.40 and 2,021,179.02 is: 2,788,103.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,175,130.32 : 3,000,470.40 = 2,021,179.02 : x
  2. Step 2: Convert to fraction form
    2,175,130.32/3,000,470.40 = 2,021,179.02/x
  3. Step 3: Cross multiply
    2,175,130.32x = 3,000,470.40 × 2,021,179.02
  4. Step 4: Simplify right side
    2,175,130.32x = 6,064,487,822,611.01
  5. Step 5: Solve for x
    x = 6,064,487,822,611.01/2,175,130.32
  6. Step 6: Final answer
    x = 2,788,103.21

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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.