Home / 1,792,539.14-2,470,902.90-1,218,582.86

Finding the Fourth Proportional to 1,792,539.14, 2,470,902.90 and 1,218,582.86

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Solution

The fourth proportional to 1,792,539.14, 2,470,902.90 and 1,218,582.86 is: 1,679,740.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,792,539.14 : 2,470,902.90 = 1,218,582.86 : x
  2. Step 2: Convert to fraction form
    1,792,539.14/2,470,902.90 = 1,218,582.86/x
  3. Step 3: Cross multiply
    1,792,539.14x = 2,470,902.90 × 1,218,582.86
  4. Step 4: Simplify right side
    1,792,539.14x = 3,010,999,910,309.78
  5. Step 5: Solve for x
    x = 3,010,999,910,309.78/1,792,539.14
  6. Step 6: Final answer
    x = 1,679,740.12

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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.