Home / 2,139,469.04-2,952,030.93-1,267,919.57

Finding the Fourth Proportional to 2,139,469.04, 2,952,030.93 and 1,267,919.57

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Solution

The fourth proportional to 2,139,469.04, 2,952,030.93 and 1,267,919.57 is: 1,749,470.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,139,469.04 : 2,952,030.93 = 1,267,919.57 : x
  2. Step 2: Convert to fraction form
    2,139,469.04/2,952,030.93 = 1,267,919.57/x
  3. Step 3: Cross multiply
    2,139,469.04x = 2,952,030.93 × 1,267,919.57
  4. Step 4: Simplify right side
    2,139,469.04x = 3,742,937,772,632.15
  5. Step 5: Solve for x
    x = 3,742,937,772,632.15/2,139,469.04
  6. Step 6: Final answer
    x = 1,749,470.41

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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.