Home / 5,380,322.40-8,063,485.20-2,182,831.20

Finding the Fourth Proportional to 5,380,322.40, 8,063,485.20 and 2,182,831.20

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Solution

The fourth proportional to 5,380,322.40, 8,063,485.20 and 2,182,831.20 is: 3,271,407.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,380,322.40 : 8,063,485.20 = 2,182,831.20 : x
  2. Step 2: Convert to fraction form
    5,380,322.40/8,063,485.20 = 2,182,831.20/x
  3. Step 3: Cross multiply
    5,380,322.40x = 8,063,485.20 × 2,182,831.20
  4. Step 4: Simplify right side
    5,380,322.40x = 17,601,227,075,298.24
  5. Step 5: Solve for x
    x = 17,601,227,075,298.24/5,380,322.40
  6. Step 6: Final answer
    x = 3,271,407.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.