Home / 1,870,127.66-2,579,579.43-1,296,958.70

Finding the Fourth Proportional to 1,870,127.66, 2,579,579.43 and 1,296,958.70

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Solution

The fourth proportional to 1,870,127.66, 2,579,579.43 and 1,296,958.70 is: 1,788,973.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,870,127.66 : 2,579,579.43 = 1,296,958.70 : x
  2. Step 2: Convert to fraction form
    1,870,127.66/2,579,579.43 = 1,296,958.70/x
  3. Step 3: Cross multiply
    1,870,127.66x = 2,579,579.43 × 1,296,958.70
  4. Step 4: Simplify right side
    1,870,127.66x = 3,345,607,971,181.64
  5. Step 5: Solve for x
    x = 3,345,607,971,181.64/1,870,127.66
  6. Step 6: Final answer
    x = 1,788,973.05

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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.