Home / 5,205,087.98-7,182,522.64-2,881,895.40

Finding the Fourth Proportional to 5,205,087.98, 7,182,522.64 and 2,881,895.40

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Solution

The fourth proportional to 5,205,087.98, 7,182,522.64 and 2,881,895.40 is: 3,976,739.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,205,087.98 : 7,182,522.64 = 2,881,895.40 : x
  2. Step 2: Convert to fraction form
    5,205,087.98/7,182,522.64 = 2,881,895.40/x
  3. Step 3: Cross multiply
    5,205,087.98x = 7,182,522.64 × 2,881,895.40
  4. Step 4: Simplify right side
    5,205,087.98x = 20,699,278,956,611.86
  5. Step 5: Solve for x
    x = 20,699,278,956,611.86/5,205,087.98
  6. Step 6: Final answer
    x = 3,976,739.50

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1.5x scale

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.