Home / 1,870,126.72-2,579,578.14-1,296,957.76

Finding the Fourth Proportional to 1,870,126.72, 2,579,578.14 and 1,296,957.76

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Solution

The fourth proportional to 1,870,126.72, 2,579,578.14 and 1,296,957.76 is: 1,788,971.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,870,126.72 : 2,579,578.14 = 1,296,957.76 : x
  2. Step 2: Convert to fraction form
    1,870,126.72/2,579,578.14 = 1,296,957.76/x
  3. Step 3: Cross multiply
    1,870,126.72x = 2,579,578.14 × 1,296,957.76
  4. Step 4: Simplify right side
    1,870,126.72x = 3,345,603,884,614.01
  5. Step 5: Solve for x
    x = 3,345,603,884,614.01/1,870,126.72
  6. Step 6: Final answer
    x = 1,788,971.76

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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.