Home / 1,911,039.50-2,637,343.64-1,095,379.09

Finding the Fourth Proportional to 1,911,039.50, 2,637,343.64 and 1,095,379.09

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Solution

The fourth proportional to 1,911,039.50, 2,637,343.64 and 1,095,379.09 is: 1,511,685.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,911,039.50 : 2,637,343.64 = 1,095,379.09 : x
  2. Step 2: Convert to fraction form
    1,911,039.50/2,637,343.64 = 1,095,379.09/x
  3. Step 3: Cross multiply
    1,911,039.50x = 2,637,343.64 × 1,095,379.09
  4. Step 4: Simplify right side
    1,911,039.50x = 2,888,891,076,400.49
  5. Step 5: Solve for x
    x = 2,888,891,076,400.49/1,911,039.50
  6. Step 6: Final answer
    x = 1,511,685.70

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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.