Home / 2,064,813.56-2,850,478.76-1,290,874.40

Finding the Fourth Proportional to 2,064,813.56, 2,850,478.76 and 1,290,874.40

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Solution

The fourth proportional to 2,064,813.56, 2,850,478.76 and 1,290,874.40 is: 1,782,054.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,064,813.56 : 2,850,478.76 = 1,290,874.40 : x
  2. Step 2: Convert to fraction form
    2,064,813.56/2,850,478.76 = 1,290,874.40/x
  3. Step 3: Cross multiply
    2,064,813.56x = 2,850,478.76 × 1,290,874.40
  4. Step 4: Simplify right side
    2,064,813.56x = 3,679,610,059,027.74
  5. Step 5: Solve for x
    x = 3,679,610,059,027.74/2,064,813.56
  6. Step 6: Final answer
    x = 1,782,054.39

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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.