Home / 1,870,129.16-2,579,581.50-1,296,960.20

Finding the Fourth Proportional to 1,870,129.16, 2,579,581.50 and 1,296,960.20

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Solution

The fourth proportional to 1,870,129.16, 2,579,581.50 and 1,296,960.20 is: 1,788,975.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,870,129.16 : 2,579,581.50 = 1,296,960.20 : x
  2. Step 2: Convert to fraction form
    1,870,129.16/2,579,581.50 = 1,296,960.20/x
  3. Step 3: Cross multiply
    1,870,129.16x = 2,579,581.50 × 1,296,960.20
  4. Step 4: Simplify right side
    1,870,129.16x = 3,345,614,525,258.39
  5. Step 5: Solve for x
    x = 3,345,614,525,258.39/1,870,129.16
  6. Step 6: Final answer
    x = 1,788,975.12

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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.