Home / 3,486,158.16-4,811,421.96-2,128,814.16

Finding the Fourth Proportional to 3,486,158.16, 4,811,421.96 and 2,128,814.16

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Solution

The fourth proportional to 3,486,158.16, 4,811,421.96 and 2,128,814.16 is: 2,938,083.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,486,158.16 : 4,811,421.96 = 2,128,814.16 : x
  2. Step 2: Convert to fraction form
    3,486,158.16/4,811,421.96 = 2,128,814.16/x
  3. Step 3: Cross multiply
    3,486,158.16x = 4,811,421.96 × 2,128,814.16
  4. Step 4: Simplify right side
    3,486,158.16x = 10,242,623,198,182.96
  5. Step 5: Solve for x
    x = 10,242,623,198,182.96/3,486,158.16
  6. Step 6: Final answer
    x = 2,938,083.34

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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.