Home / 2,312,625.55-3,191,384.59-1,280,111.17

Finding the Fourth Proportional to 2,312,625.55, 3,191,384.59 and 1,280,111.17

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Solution

The fourth proportional to 2,312,625.55, 3,191,384.59 and 1,280,111.17 is: 1,766,532.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,312,625.55 : 3,191,384.59 = 1,280,111.17 : x
  2. Step 2: Convert to fraction form
    2,312,625.55/3,191,384.59 = 1,280,111.17/x
  3. Step 3: Cross multiply
    2,312,625.55x = 3,191,384.59 × 1,280,111.17
  4. Step 4: Simplify right side
    2,312,625.55x = 4,085,327,061,424.87
  5. Step 5: Solve for x
    x = 4,085,327,061,424.87/2,312,625.55
  6. Step 6: Final answer
    x = 1,766,532.01

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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.