Home / 1,854,062.08-2,558,641.92-1,209,894.40

Finding the Fourth Proportional to 1,854,062.08, 2,558,641.92 and 1,209,894.40

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Solution

The fourth proportional to 1,854,062.08, 2,558,641.92 and 1,209,894.40 is: 1,669,677.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,854,062.08 : 2,558,641.92 = 1,209,894.40 : x
  2. Step 2: Convert to fraction form
    1,854,062.08/2,558,641.92 = 1,209,894.40/x
  3. Step 3: Cross multiply
    1,854,062.08x = 2,558,641.92 × 1,209,894.40
  4. Step 4: Simplify right side
    1,854,062.08x = 3,095,686,530,613.25
  5. Step 5: Solve for x
    x = 3,095,686,530,613.25/1,854,062.08
  6. Step 6: Final answer
    x = 1,669,677.93

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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.