Home / 4,990,967.51-6,887,555.88-2,699,128.22

Finding the Fourth Proportional to 4,990,967.51, 6,887,555.88 and 2,699,128.22

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Solution

The fourth proportional to 4,990,967.51, 6,887,555.88 and 2,699,128.22 is: 3,724,808.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,990,967.51 : 6,887,555.88 = 2,699,128.22 : x
  2. Step 2: Convert to fraction form
    4,990,967.51/6,887,555.88 = 2,699,128.22/x
  3. Step 3: Cross multiply
    4,990,967.51x = 6,887,555.88 × 2,699,128.22
  4. Step 4: Simplify right side
    4,990,967.51x = 18,590,396,442,534.93
  5. Step 5: Solve for x
    x = 18,590,396,442,534.93/4,990,967.51
  6. Step 6: Final answer
    x = 3,724,808.15

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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.