Home / 2,661,319.80-3,989,792.70-1,146,166.20

Finding the Fourth Proportional to 2,661,319.80, 3,989,792.70 and 1,146,166.20

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Solution

The fourth proportional to 2,661,319.80, 3,989,792.70 and 1,146,166.20 is: 1,718,307.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,661,319.80 : 3,989,792.70 = 1,146,166.20 : x
  2. Step 2: Convert to fraction form
    2,661,319.80/3,989,792.70 = 1,146,166.20/x
  3. Step 3: Cross multiply
    2,661,319.80x = 3,989,792.70 × 1,146,166.20
  4. Step 4: Simplify right side
    2,661,319.80x = 4,572,965,537,746.74
  5. Step 5: Solve for x
    x = 4,572,965,537,746.74/2,661,319.80
  6. Step 6: Final answer
    x = 1,718,307.41

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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.