Home / 1,915,485.03-2,643,488.46-1,056,043.98

Finding the Fourth Proportional to 1,915,485.03, 2,643,488.46 and 1,056,043.98

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Solution

The fourth proportional to 1,915,485.03, 2,643,488.46 and 1,056,043.98 is: 1,457,406.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,915,485.03 : 2,643,488.46 = 1,056,043.98 : x
  2. Step 2: Convert to fraction form
    1,915,485.03/2,643,488.46 = 1,056,043.98/x
  3. Step 3: Cross multiply
    1,915,485.03x = 2,643,488.46 × 1,056,043.98
  4. Step 4: Simplify right side
    1,915,485.03x = 2,791,640,074,382.47
  5. Step 5: Solve for x
    x = 2,791,640,074,382.47/1,915,485.03
  6. Step 6: Final answer
    x = 1,457,406.36

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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.