Home / 4,292,986.72-6,428,851.18-3,153,045.77

Finding the Fourth Proportional to 4,292,986.72, 6,428,851.18 and 3,153,045.77

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Solution

The fourth proportional to 4,292,986.72, 6,428,851.18 and 3,153,045.77 is: 4,721,762.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,292,986.72 : 6,428,851.18 = 3,153,045.77 : x
  2. Step 2: Convert to fraction form
    4,292,986.72/6,428,851.18 = 3,153,045.77/x
  3. Step 3: Cross multiply
    4,292,986.72x = 6,428,851.18 × 3,153,045.77
  4. Step 4: Simplify right side
    4,292,986.72x = 20,270,462,019,058.51
  5. Step 5: Solve for x
    x = 20,270,462,019,058.51/4,292,986.72
  6. Step 6: Final answer
    x = 4,721,762.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.