Home / 1,816,803.63-2,505,123.23-1,162,557.09

Finding the Fourth Proportional to 1,816,803.63, 2,505,123.23 and 1,162,557.09

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Solution

The fourth proportional to 1,816,803.63, 2,505,123.23 and 1,162,557.09 is: 1,603,006.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,816,803.63 : 2,505,123.23 = 1,162,557.09 : x
  2. Step 2: Convert to fraction form
    1,816,803.63/2,505,123.23 = 1,162,557.09/x
  3. Step 3: Cross multiply
    1,816,803.63x = 2,505,123.23 × 1,162,557.09
  4. Step 4: Simplify right side
    1,816,803.63x = 2,912,348,766,547.42
  5. Step 5: Solve for x
    x = 2,912,348,766,547.42/1,816,803.63
  6. Step 6: Final answer
    x = 1,603,006.91

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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.