Home / 1,838,237.60-2,759,602.80-1,040,074.40

Finding the Fourth Proportional to 1,838,237.60, 2,759,602.80 and 1,040,074.40

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Solution

The fourth proportional to 1,838,237.60, 2,759,602.80 and 1,040,074.40 is: 1,561,382.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,838,237.60 : 2,759,602.80 = 1,040,074.40 : x
  2. Step 2: Convert to fraction form
    1,838,237.60/2,759,602.80 = 1,040,074.40/x
  3. Step 3: Cross multiply
    1,838,237.60x = 2,759,602.80 × 1,040,074.40
  4. Step 4: Simplify right side
    1,838,237.60x = 2,870,192,226,448.32
  5. Step 5: Solve for x
    x = 2,870,192,226,448.32/1,838,237.60
  6. Step 6: Final answer
    x = 1,561,382.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.