Home / 2,792,895.40-4,191,416.70-1,111,205.80

Finding the Fourth Proportional to 2,792,895.40, 4,191,416.70 and 1,111,205.80

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Solution

The fourth proportional to 2,792,895.40, 4,191,416.70 and 1,111,205.80 is: 1,667,633.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,792,895.40 : 4,191,416.70 = 1,111,205.80 : x
  2. Step 2: Convert to fraction form
    2,792,895.40/4,191,416.70 = 1,111,205.80/x
  3. Step 3: Cross multiply
    2,792,895.40x = 4,191,416.70 × 1,111,205.80
  4. Step 4: Simplify right side
    2,792,895.40x = 4,657,526,547,256.86
  5. Step 5: Solve for x
    x = 4,657,526,547,256.86/2,792,895.40
  6. Step 6: Final answer
    x = 1,667,633.72

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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.