Home / 1,699,373.12-2,343,940.32-1,118,411.12

Finding the Fourth Proportional to 1,699,373.12, 2,343,940.32 and 1,118,411.12

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Solution

The fourth proportional to 1,699,373.12, 2,343,940.32 and 1,118,411.12 is: 1,542,621.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,699,373.12 : 2,343,940.32 = 1,118,411.12 : x
  2. Step 2: Convert to fraction form
    1,699,373.12/2,343,940.32 = 1,118,411.12/x
  3. Step 3: Cross multiply
    1,699,373.12x = 2,343,940.32 × 1,118,411.12
  4. Step 4: Simplify right side
    1,699,373.12x = 2,621,488,918,504.36
  5. Step 5: Solve for x
    x = 2,621,488,918,504.36/1,699,373.12
  6. Step 6: Final answer
    x = 1,542,621.15

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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.