Home / 2,640,360-3,959,905.76-1,219,050.48

Finding the Fourth Proportional to 2,640,360, 3,959,905.76 and 1,219,050.48

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Solution

The fourth proportional to 2,640,360, 3,959,905.76 and 1,219,050.48 is: 1,828,282.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,640,360 : 3,959,905.76 = 1,219,050.48 : x
  2. Step 2: Convert to fraction form
    2,640,360/3,959,905.76 = 1,219,050.48/x
  3. Step 3: Cross multiply
    2,640,360x = 3,959,905.76 × 1,219,050.48
  4. Step 4: Simplify right side
    2,640,360x = 4,827,325,017,482.76
  5. Step 5: Solve for x
    x = 4,827,325,017,482.76/2,640,360
  6. Step 6: Final answer
    x = 1,828,282.89

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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.