Home / 5,111,398.12-7,666,284.30-1,699,401.16

Finding the Fourth Proportional to 5,111,398.12, 7,666,284.30 and 1,699,401.16

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Solution

The fourth proportional to 5,111,398.12, 7,666,284.30 and 1,699,401.16 is: 2,548,831.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,111,398.12 : 7,666,284.30 = 1,699,401.16 : x
  2. Step 2: Convert to fraction form
    5,111,398.12/7,666,284.30 = 1,699,401.16/x
  3. Step 3: Cross multiply
    5,111,398.12x = 7,666,284.30 × 1,699,401.16
  4. Step 4: Simplify right side
    5,111,398.12x = 13,028,092,432,309.79
  5. Step 5: Solve for x
    x = 13,028,092,432,309.79/5,111,398.12
  6. Step 6: Final answer
    x = 2,548,831.48

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1.5x scale

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.