Home / 1,961,816.40-2,942,821.80-1,017,032.40

Finding the Fourth Proportional to 1,961,816.40, 2,942,821.80 and 1,017,032.40

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Solution

The fourth proportional to 1,961,816.40, 2,942,821.80 and 1,017,032.40 is: 1,525,598.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,961,816.40 : 2,942,821.80 = 1,017,032.40 : x
  2. Step 2: Convert to fraction form
    1,961,816.40/2,942,821.80 = 1,017,032.40/x
  3. Step 3: Cross multiply
    1,961,816.40x = 2,942,821.80 × 1,017,032.40
  4. Step 4: Simplify right side
    1,961,816.40x = 2,992,945,118,026.32
  5. Step 5: Solve for x
    x = 2,992,945,118,026.32/1,961,816.40
  6. Step 6: Final answer
    x = 1,525,598.99

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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.