Home / 1,911,252.78-2,637,475.82-1,084,476.87

Finding the Fourth Proportional to 1,911,252.78, 2,637,475.82 and 1,084,476.87

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Solution

The fourth proportional to 1,911,252.78, 2,637,475.82 and 1,084,476.87 is: 1,496,548.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,911,252.78 : 2,637,475.82 = 1,084,476.87 : x
  2. Step 2: Convert to fraction form
    1,911,252.78/2,637,475.82 = 1,084,476.87/x
  3. Step 3: Cross multiply
    1,911,252.78x = 2,637,475.82 × 1,084,476.87
  4. Step 4: Simplify right side
    1,911,252.78x = 2,860,281,521,974.28
  5. Step 5: Solve for x
    x = 2,860,281,521,974.28/1,911,252.78
  6. Step 6: Final answer
    x = 1,496,548.00

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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.