Home / 1,467,703.80-2,198,931.30-1,242,005.40

Finding the Fourth Proportional to 1,467,703.80, 2,198,931.30 and 1,242,005.40

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Solution

The fourth proportional to 1,467,703.80, 2,198,931.30 and 1,242,005.40 is: 1,860,787.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,467,703.80 : 2,198,931.30 = 1,242,005.40 : x
  2. Step 2: Convert to fraction form
    1,467,703.80/2,198,931.30 = 1,242,005.40/x
  3. Step 3: Cross multiply
    1,467,703.80x = 2,198,931.30 × 1,242,005.40
  4. Step 4: Simplify right side
    1,467,703.80x = 2,731,084,548,829.02
  5. Step 5: Solve for x
    x = 2,731,084,548,829.02/1,467,703.80
  6. Step 6: Final answer
    x = 1,860,787.27

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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.