Home / 2,109,459.45-2,911,054.13-1,142,589.74

Finding the Fourth Proportional to 2,109,459.45, 2,911,054.13 and 1,142,589.74

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Solution

The fourth proportional to 2,109,459.45, 2,911,054.13 and 1,142,589.74 is: 1,576,773.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,109,459.45 : 2,911,054.13 = 1,142,589.74 : x
  2. Step 2: Convert to fraction form
    2,109,459.45/2,911,054.13 = 1,142,589.74/x
  3. Step 3: Cross multiply
    2,109,459.45x = 2,911,054.13 × 1,142,589.74
  4. Step 4: Simplify right side
    2,109,459.45x = 3,326,140,566,967.36
  5. Step 5: Solve for x
    x = 3,326,140,566,967.36/2,109,459.45
  6. Step 6: Final answer
    x = 1,576,773.89

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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.