Home / 2,779,667.62-4,168,987.79-860,220.95

Finding the Fourth Proportional to 2,779,667.62, 4,168,987.79 and 860,220.95

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Solution

The fourth proportional to 2,779,667.62, 4,168,987.79 and 860,220.95 is: 1,290,172.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,779,667.62 : 4,168,987.79 = 860,220.95 : x
  2. Step 2: Convert to fraction form
    2,779,667.62/4,168,987.79 = 860,220.95/x
  3. Step 3: Cross multiply
    2,779,667.62x = 4,168,987.79 × 860,220.95
  4. Step 4: Simplify right side
    2,779,667.62x = 3,586,250,612,106.16
  5. Step 5: Solve for x
    x = 3,586,250,612,106.16/2,779,667.62
  6. Step 6: Final answer
    x = 1,290,172.46

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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.