Home / 2,892,301.64-3,989,303.70-1,911,104.20

Finding the Fourth Proportional to 2,892,301.64, 3,989,303.70 and 1,911,104.20

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Solution

The fourth proportional to 2,892,301.64, 3,989,303.70 and 1,911,104.20 is: 2,635,954.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,892,301.64 : 3,989,303.70 = 1,911,104.20 : x
  2. Step 2: Convert to fraction form
    2,892,301.64/3,989,303.70 = 1,911,104.20/x
  3. Step 3: Cross multiply
    2,892,301.64x = 3,989,303.70 × 1,911,104.20
  4. Step 4: Simplify right side
    2,892,301.64x = 7,623,975,056,145.54
  5. Step 5: Solve for x
    x = 7,623,975,056,145.54/2,892,301.64
  6. Step 6: Final answer
    x = 2,635,954.34

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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.