Home / 3,364,742.88-4,643,340.72-2,157,516

Finding the Fourth Proportional to 3,364,742.88, 4,643,340.72 and 2,157,516

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Solution

The fourth proportional to 3,364,742.88, 4,643,340.72 and 2,157,516 is: 2,977,369.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,364,742.88 : 4,643,340.72 = 2,157,516 : x
  2. Step 2: Convert to fraction form
    3,364,742.88/4,643,340.72 = 2,157,516/x
  3. Step 3: Cross multiply
    3,364,742.88x = 4,643,340.72 × 2,157,516
  4. Step 4: Simplify right side
    3,364,742.88x = 10,018,081,896,851.52
  5. Step 5: Solve for x
    x = 10,018,081,896,851.52/3,364,742.88
  6. Step 6: Final answer
    x = 2,977,369.22

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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.