Home / 1,870,129.71-2,579,582.28-1,296,960.75

Finding the Fourth Proportional to 1,870,129.71, 2,579,582.28 and 1,296,960.75

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Solution

The fourth proportional to 1,870,129.71, 2,579,582.28 and 1,296,960.75 is: 1,788,975.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,870,129.71 : 2,579,582.28 = 1,296,960.75 : x
  2. Step 2: Convert to fraction form
    1,870,129.71/2,579,582.28 = 1,296,960.75/x
  3. Step 3: Cross multiply
    1,870,129.71x = 2,579,582.28 × 1,296,960.75
  4. Step 4: Simplify right side
    1,870,129.71x = 3,345,616,968,555.51
  5. Step 5: Solve for x
    x = 3,345,616,968,555.51/1,870,129.71
  6. Step 6: Final answer
    x = 1,788,975.89

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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.