Home / 1,972,681.86-2,722,301.55-1,113,424.14

Finding the Fourth Proportional to 1,972,681.86, 2,722,301.55 and 1,113,424.14

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Solution

The fourth proportional to 1,972,681.86, 2,722,301.55 and 1,113,424.14 is: 1,536,525.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,972,681.86 : 2,722,301.55 = 1,113,424.14 : x
  2. Step 2: Convert to fraction form
    1,972,681.86/2,722,301.55 = 1,113,424.14/x
  3. Step 3: Cross multiply
    1,972,681.86x = 2,722,301.55 × 1,113,424.14
  4. Step 4: Simplify right side
    1,972,681.86x = 3,031,076,262,129.42
  5. Step 5: Solve for x
    x = 3,031,076,262,129.42/1,972,681.86
  6. Step 6: Final answer
    x = 1,536,525.64

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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.