Home / 1,870,312.25-2,580,979.13-1,054,508.69

Finding the Fourth Proportional to 1,870,312.25, 2,580,979.13 and 1,054,508.69

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Solution

The fourth proportional to 1,870,312.25, 2,580,979.13 and 1,054,508.69 is: 1,455,192.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,870,312.25 : 2,580,979.13 = 1,054,508.69 : x
  2. Step 2: Convert to fraction form
    1,870,312.25/2,580,979.13 = 1,054,508.69/x
  3. Step 3: Cross multiply
    1,870,312.25x = 2,580,979.13 × 1,054,508.69
  4. Step 4: Simplify right side
    1,870,312.25x = 2,721,664,903,116.20
  5. Step 5: Solve for x
    x = 2,721,664,903,116.20/1,870,312.25
  6. Step 6: Final answer
    x = 1,455,192.79

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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.