Home / 2,657,696.40-3,987,127.80-1,310,504.40

Finding the Fourth Proportional to 2,657,696.40, 3,987,127.80 and 1,310,504.40

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Solution

The fourth proportional to 2,657,696.40, 3,987,127.80 and 1,310,504.40 is: 1,966,044.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,657,696.40 : 3,987,127.80 = 1,310,504.40 : x
  2. Step 2: Convert to fraction form
    2,657,696.40/3,987,127.80 = 1,310,504.40/x
  3. Step 3: Cross multiply
    2,657,696.40x = 3,987,127.80 × 1,310,504.40
  4. Step 4: Simplify right side
    2,657,696.40x = 5,225,148,525,262.32
  5. Step 5: Solve for x
    x = 5,225,148,525,262.32/2,657,696.40
  6. Step 6: Final answer
    x = 1,966,044.17

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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.