Home / 3,378,721.32-4,658,899.14-2,153,085.35

Finding the Fourth Proportional to 3,378,721.32, 4,658,899.14 and 2,153,085.35

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Solution

The fourth proportional to 3,378,721.32, 4,658,899.14 and 2,153,085.35 is: 2,968,876.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,378,721.32 : 4,658,899.14 = 2,153,085.35 : x
  2. Step 2: Convert to fraction form
    3,378,721.32/4,658,899.14 = 2,153,085.35/x
  3. Step 3: Cross multiply
    3,378,721.32x = 4,658,899.14 × 2,153,085.35
  4. Step 4: Simplify right side
    3,378,721.32x = 10,031,007,462,167.10
  5. Step 5: Solve for x
    x = 10,031,007,462,167.10/3,378,721.32
  6. Step 6: Final answer
    x = 2,968,876.84

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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.