Home / 1,927,205.40-2,890,808.10-1,809,107.40

Finding the Fourth Proportional to 1,927,205.40, 2,890,808.10 and 1,809,107.40

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Solution

The fourth proportional to 1,927,205.40, 2,890,808.10 and 1,809,107.40 is: 2,713,661.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,927,205.40 : 2,890,808.10 = 1,809,107.40 : x
  2. Step 2: Convert to fraction form
    1,927,205.40/2,890,808.10 = 1,809,107.40/x
  3. Step 3: Cross multiply
    1,927,205.40x = 2,890,808.10 × 1,809,107.40
  4. Step 4: Simplify right side
    1,927,205.40x = 5,229,782,325,689.94
  5. Step 5: Solve for x
    x = 5,229,782,325,689.94/1,927,205.40
  6. Step 6: Final answer
    x = 2,713,661.10

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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.