Home / 2,792,904.90-4,191,430.95-1,111,215.30

Finding the Fourth Proportional to 2,792,904.90, 4,191,430.95 and 1,111,215.30

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Solution

The fourth proportional to 2,792,904.90, 4,191,430.95 and 1,111,215.30 is: 1,667,647.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,792,904.90 : 4,191,430.95 = 1,111,215.30 : x
  2. Step 2: Convert to fraction form
    2,792,904.90/4,191,430.95 = 1,111,215.30/x
  3. Step 3: Cross multiply
    2,792,904.90x = 4,191,430.95 × 1,111,215.30
  4. Step 4: Simplify right side
    2,792,904.90x = 4,657,582,200,533.54
  5. Step 5: Solve for x
    x = 4,657,582,200,533.54/2,792,904.90
  6. Step 6: Final answer
    x = 1,667,647.97

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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.