Home / 2,789,721.60-4,184,582.40-1,974,845.40

Finding the Fourth Proportional to 2,789,721.60, 4,184,582.40 and 1,974,845.40

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Solution

The fourth proportional to 2,789,721.60, 4,184,582.40 and 1,974,845.40 is: 2,962,268.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,789,721.60 : 4,184,582.40 = 1,974,845.40 : x
  2. Step 2: Convert to fraction form
    2,789,721.60/4,184,582.40 = 1,974,845.40/x
  3. Step 3: Cross multiply
    2,789,721.60x = 4,184,582.40 × 1,974,845.40
  4. Step 4: Simplify right side
    2,789,721.60x = 8,263,903,303,560.96
  5. Step 5: Solve for x
    x = 8,263,903,303,560.96/2,789,721.60
  6. Step 6: Final answer
    x = 2,962,268.10

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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.