Home / 2,153,043.36-2,971,200.82-1,186,165.20

Finding the Fourth Proportional to 2,153,043.36, 2,971,200.82 and 1,186,165.20

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Solution

The fourth proportional to 2,153,043.36, 2,971,200.82 and 1,186,165.20 is: 1,636,908.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,153,043.36 : 2,971,200.82 = 1,186,165.20 : x
  2. Step 2: Convert to fraction form
    2,153,043.36/2,971,200.82 = 1,186,165.20/x
  3. Step 3: Cross multiply
    2,153,043.36x = 2,971,200.82 × 1,186,165.20
  4. Step 4: Simplify right side
    2,153,043.36x = 3,524,335,014,895.46
  5. Step 5: Solve for x
    x = 3,524,335,014,895.46/2,153,043.36
  6. Step 6: Final answer
    x = 1,636,908.52

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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.