Home / 1,870,438.64-2,581,203.77-1,010,998.89

Finding the Fourth Proportional to 1,870,438.64, 2,581,203.77 and 1,010,998.89

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Solution

The fourth proportional to 1,870,438.64, 2,581,203.77 and 1,010,998.89 is: 1,395,177.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,870,438.64 : 2,581,203.77 = 1,010,998.89 : x
  2. Step 2: Convert to fraction form
    1,870,438.64/2,581,203.77 = 1,010,998.89/x
  3. Step 3: Cross multiply
    1,870,438.64x = 2,581,203.77 × 1,010,998.89
  4. Step 4: Simplify right side
    1,870,438.64x = 2,609,594,145,070.07
  5. Step 5: Solve for x
    x = 2,609,594,145,070.07/1,870,438.64
  6. Step 6: Final answer
    x = 1,395,177.63

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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.