Home / 4,855,430.88-6,699,494.32-2,790,047.40

Finding the Fourth Proportional to 4,855,430.88, 6,699,494.32 and 2,790,047.40

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Solution

The fourth proportional to 4,855,430.88, 6,699,494.32 and 2,790,047.40 is: 3,849,690.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,855,430.88 : 6,699,494.32 = 2,790,047.40 : x
  2. Step 2: Convert to fraction form
    4,855,430.88/6,699,494.32 = 2,790,047.40/x
  3. Step 3: Cross multiply
    4,855,430.88x = 6,699,494.32 × 2,790,047.40
  4. Step 4: Simplify right side
    4,855,430.88x = 18,691,906,708,830.77
  5. Step 5: Solve for x
    x = 18,691,906,708,830.77/4,855,430.88
  6. Step 6: Final answer
    x = 3,849,690.62

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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.