Home / 3,710,292.86-5,120,744.70-2,078,810.51

Finding the Fourth Proportional to 3,710,292.86, 5,120,744.70 and 2,078,810.51

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Solution

The fourth proportional to 3,710,292.86, 5,120,744.70 and 2,078,810.51 is: 2,869,061.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,710,292.86 : 5,120,744.70 = 2,078,810.51 : x
  2. Step 2: Convert to fraction form
    3,710,292.86/5,120,744.70 = 2,078,810.51/x
  3. Step 3: Cross multiply
    3,710,292.86x = 5,120,744.70 × 2,078,810.51
  4. Step 4: Simplify right side
    3,710,292.86x = 10,645,057,875,783.07
  5. Step 5: Solve for x
    x = 10,645,057,875,783.07/3,710,292.86
  6. Step 6: Final answer
    x = 2,869,061.36

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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.