Home / 2,139,771.93-2,952,920.94-1,159,742.28

Finding the Fourth Proportional to 2,139,771.93, 2,952,920.94 and 1,159,742.28

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Solution

The fourth proportional to 2,139,771.93, 2,952,920.94 and 1,159,742.28 is: 1,600,463.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,139,771.93 : 2,952,920.94 = 1,159,742.28 : x
  2. Step 2: Convert to fraction form
    2,139,771.93/2,952,920.94 = 1,159,742.28/x
  3. Step 3: Cross multiply
    2,139,771.93x = 2,952,920.94 × 1,159,742.28
  4. Step 4: Simplify right side
    2,139,771.93x = 3,424,627,263,615.34
  5. Step 5: Solve for x
    x = 3,424,627,263,615.34/2,139,771.93
  6. Step 6: Final answer
    x = 1,600,463.68

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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.