Home / 3,918,913.57-5,407,802.13-2,199,701.89

Finding the Fourth Proportional to 3,918,913.57, 5,407,802.13 and 2,199,701.89

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Solution

The fourth proportional to 3,918,913.57, 5,407,802.13 and 2,199,701.89 is: 3,035,421.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,918,913.57 : 5,407,802.13 = 2,199,701.89 : x
  2. Step 2: Convert to fraction form
    3,918,913.57/5,407,802.13 = 2,199,701.89/x
  3. Step 3: Cross multiply
    3,918,913.57x = 5,407,802.13 × 2,199,701.89
  4. Step 4: Simplify right side
    3,918,913.57x = 11,895,552,566,107.03
  5. Step 5: Solve for x
    x = 11,895,552,566,107.03/3,918,913.57
  6. Step 6: Final answer
    x = 3,035,421.00

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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.