Home / 2,090,690.19-2,884,802.73-1,231,421.54

Finding the Fourth Proportional to 2,090,690.19, 2,884,802.73 and 1,231,421.54

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Solution

The fourth proportional to 2,090,690.19, 2,884,802.73 and 1,231,421.54 is: 1,699,155.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,090,690.19 : 2,884,802.73 = 1,231,421.54 : x
  2. Step 2: Convert to fraction form
    2,090,690.19/2,884,802.73 = 1,231,421.54/x
  3. Step 3: Cross multiply
    2,090,690.19x = 2,884,802.73 × 1,231,421.54
  4. Step 4: Simplify right side
    2,090,690.19x = 3,552,408,205,948.79
  5. Step 5: Solve for x
    x = 3,552,408,205,948.79/2,090,690.19
  6. Step 6: Final answer
    x = 1,699,155.73

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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.