Home / 3,572,297.40-4,929,677.10-2,121,995.64

Finding the Fourth Proportional to 3,572,297.40, 4,929,677.10 and 2,121,995.64

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Solution

The fourth proportional to 3,572,297.40, 4,929,677.10 and 2,121,995.64 is: 2,928,298.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,572,297.40 : 4,929,677.10 = 2,121,995.64 : x
  2. Step 2: Convert to fraction form
    3,572,297.40/4,929,677.10 = 2,121,995.64/x
  3. Step 3: Cross multiply
    3,572,297.40x = 4,929,677.10 × 2,121,995.64
  4. Step 4: Simplify right side
    3,572,297.40x = 10,460,753,312,807.84
  5. Step 5: Solve for x
    x = 10,460,753,312,807.84/3,572,297.40
  6. Step 6: Final answer
    x = 2,928,298.55

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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.