Home / 2,109,467.40-2,911,065.84-1,142,594.64

Finding the Fourth Proportional to 2,109,467.40, 2,911,065.84 and 1,142,594.64

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Solution

The fourth proportional to 2,109,467.40, 2,911,065.84 and 1,142,594.64 is: 1,576,781.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,109,467.40 : 2,911,065.84 = 1,142,594.64 : x
  2. Step 2: Convert to fraction form
    2,109,467.40/2,911,065.84 = 1,142,594.64/x
  3. Step 3: Cross multiply
    2,109,467.40x = 2,911,065.84 × 1,142,594.64
  4. Step 4: Simplify right side
    2,109,467.40x = 3,326,168,225,471.10
  5. Step 5: Solve for x
    x = 3,326,168,225,471.10/2,109,467.40
  6. Step 6: Final answer
    x = 1,576,781.05

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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.