Home / 1,870,128.03-2,579,579.96-1,296,959.07

Finding the Fourth Proportional to 1,870,128.03, 2,579,579.96 and 1,296,959.07

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Solution

The fourth proportional to 1,870,128.03, 2,579,579.96 and 1,296,959.07 is: 1,788,973.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,870,128.03 : 2,579,579.96 = 1,296,959.07 : x
  2. Step 2: Convert to fraction form
    1,870,128.03/2,579,579.96 = 1,296,959.07/x
  3. Step 3: Cross multiply
    1,870,128.03x = 2,579,579.96 × 1,296,959.07
  4. Step 4: Simplify right side
    1,870,128.03x = 3,345,609,619,427.44
  5. Step 5: Solve for x
    x = 3,345,609,619,427.44/1,870,128.03
  6. Step 6: Final answer
    x = 1,788,973.57

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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.