Home / 3,141,261-4,712,648.75-1,091,623.74

Finding the Fourth Proportional to 3,141,261, 4,712,648.75 and 1,091,623.74

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Solution

The fourth proportional to 3,141,261, 4,712,648.75 and 1,091,623.74 is: 1,637,698.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,141,261 : 4,712,648.75 = 1,091,623.74 : x
  2. Step 2: Convert to fraction form
    3,141,261/4,712,648.75 = 1,091,623.74/x
  3. Step 3: Cross multiply
    3,141,261x = 4,712,648.75 × 1,091,623.74
  4. Step 4: Simplify right side
    3,141,261x = 5,144,439,248,323.21
  5. Step 5: Solve for x
    x = 5,144,439,248,323.21/3,141,261
  6. Step 6: Final answer
    x = 1,637,698.76

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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.