Home / 1,318,326.71-1,816,037.01-1,124,102.30

Finding the Fourth Proportional to 1,318,326.71, 1,816,037.01 and 1,124,102.30

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Solution

The fourth proportional to 1,318,326.71, 1,816,037.01 and 1,124,102.30 is: 1,548,486.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,326.71 : 1,816,037.01 = 1,124,102.30 : x
  2. Step 2: Convert to fraction form
    1,318,326.71/1,816,037.01 = 1,124,102.30/x
  3. Step 3: Cross multiply
    1,318,326.71x = 1,816,037.01 × 1,124,102.30
  4. Step 4: Simplify right side
    1,318,326.71x = 2,041,411,370,745.94
  5. Step 5: Solve for x
    x = 2,041,411,370,745.94/1,318,326.71
  6. Step 6: Final answer
    x = 1,548,486.70

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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.