Home / 2,378,290.55-3,282,024.29-1,290,534.45

Finding the Fourth Proportional to 2,378,290.55, 3,282,024.29 and 1,290,534.45

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Solution

The fourth proportional to 2,378,290.55, 3,282,024.29 and 1,290,534.45 is: 1,780,928.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,378,290.55 : 3,282,024.29 = 1,290,534.45 : x
  2. Step 2: Convert to fraction form
    2,378,290.55/3,282,024.29 = 1,290,534.45/x
  3. Step 3: Cross multiply
    2,378,290.55x = 3,282,024.29 × 1,290,534.45
  4. Step 4: Simplify right side
    2,378,290.55x = 4,235,565,405,529.12
  5. Step 5: Solve for x
    x = 4,235,565,405,529.12/2,378,290.55
  6. Step 6: Final answer
    x = 1,780,928.50

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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.