Home / 1,911,924.75-2,637,861.86-1,084,861.49

Finding the Fourth Proportional to 1,911,924.75, 2,637,861.86 and 1,084,861.49

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Solution

The fourth proportional to 1,911,924.75, 2,637,861.86 and 1,084,861.49 is: 1,496,771.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,911,924.75 : 2,637,861.86 = 1,084,861.49 : x
  2. Step 2: Convert to fraction form
    1,911,924.75/2,637,861.86 = 1,084,861.49/x
  3. Step 3: Cross multiply
    1,911,924.75x = 2,637,861.86 × 1,084,861.49
  4. Step 4: Simplify right side
    1,911,924.75x = 2,861,714,742,429.46
  5. Step 5: Solve for x
    x = 2,861,714,742,429.46/1,911,924.75
  6. Step 6: Final answer
    x = 1,496,771.64

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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.