Home / 1,636,991.70-2,455,487.55-1,133,106.90

Finding the Fourth Proportional to 1,636,991.70, 2,455,487.55 and 1,133,106.90

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Solution

The fourth proportional to 1,636,991.70, 2,455,487.55 and 1,133,106.90 is: 1,699,660.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,636,991.70 : 2,455,487.55 = 1,133,106.90 : x
  2. Step 2: Convert to fraction form
    1,636,991.70/2,455,487.55 = 1,133,106.90/x
  3. Step 3: Cross multiply
    1,636,991.70x = 2,455,487.55 × 1,133,106.90
  4. Step 4: Simplify right side
    1,636,991.70x = 2,782,329,885,769.09
  5. Step 5: Solve for x
    x = 2,782,329,885,769.09/1,636,991.70
  6. Step 6: Final answer
    x = 1,699,660.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.