Home / 1,902,421.69-2,626,719.77-1,224,539.17

Finding the Fourth Proportional to 1,902,421.69, 2,626,719.77 and 1,224,539.17

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Solution

The fourth proportional to 1,902,421.69, 2,626,719.77 and 1,224,539.17 is: 1,690,750.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,902,421.69 : 2,626,719.77 = 1,224,539.17 : x
  2. Step 2: Convert to fraction form
    1,902,421.69/2,626,719.77 = 1,224,539.17/x
  3. Step 3: Cross multiply
    1,902,421.69x = 2,626,719.77 × 1,224,539.17
  4. Step 4: Simplify right side
    1,902,421.69x = 3,216,521,243,472.94
  5. Step 5: Solve for x
    x = 3,216,521,243,472.94/1,902,421.69
  6. Step 6: Final answer
    x = 1,690,750.93

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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.