Home / 3,184,539.70-4,776,809.55-2,121,657.70

Finding the Fourth Proportional to 3,184,539.70, 4,776,809.55 and 2,121,657.70

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Solution

The fourth proportional to 3,184,539.70, 4,776,809.55 and 2,121,657.70 is: 3,182,486.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,184,539.70 : 4,776,809.55 = 2,121,657.70 : x
  2. Step 2: Convert to fraction form
    3,184,539.70/4,776,809.55 = 2,121,657.70/x
  3. Step 3: Cross multiply
    3,184,539.70x = 4,776,809.55 × 2,121,657.70
  4. Step 4: Simplify right side
    3,184,539.70x = 10,134,754,763,191.04
  5. Step 5: Solve for x
    x = 10,134,754,763,191.04/3,184,539.70
  6. Step 6: Final answer
    x = 3,182,486.55

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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.