Home / 2,857,008.07-3,942,719.04-1,567,968.40

Finding the Fourth Proportional to 2,857,008.07, 3,942,719.04 and 1,567,968.40

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Solution

The fourth proportional to 2,857,008.07, 3,942,719.04 and 1,567,968.40 is: 2,163,822.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,857,008.07 : 3,942,719.04 = 1,567,968.40 : x
  2. Step 2: Convert to fraction form
    2,857,008.07/3,942,719.04 = 1,567,968.40/x
  3. Step 3: Cross multiply
    2,857,008.07x = 3,942,719.04 × 1,567,968.40
  4. Step 4: Simplify right side
    2,857,008.07x = 6,182,058,864,798.34
  5. Step 5: Solve for x
    x = 6,182,058,864,798.34/2,857,008.07
  6. Step 6: Final answer
    x = 2,163,822.68

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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.