Home / 2,128,241.40-2,937,035.55-1,161,434.12

Finding the Fourth Proportional to 2,128,241.40, 2,937,035.55 and 1,161,434.12

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Solution

The fourth proportional to 2,128,241.40, 2,937,035.55 and 1,161,434.12 is: 1,602,813.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,128,241.40 : 2,937,035.55 = 1,161,434.12 : x
  2. Step 2: Convert to fraction form
    2,128,241.40/2,937,035.55 = 1,161,434.12/x
  3. Step 3: Cross multiply
    2,128,241.40x = 2,937,035.55 × 1,161,434.12
  4. Step 4: Simplify right side
    2,128,241.40x = 3,411,173,284,737.79
  5. Step 5: Solve for x
    x = 3,411,173,284,737.79/2,128,241.40
  6. Step 6: Final answer
    x = 1,602,813.14

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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.