Home / 1,852,156.16-2,792,116.80-1,728,707.20

Finding the Fourth Proportional to 1,852,156.16, 2,792,116.80 and 1,728,707.20

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Solution

The fourth proportional to 1,852,156.16, 2,792,116.80 and 1,728,707.20 is: 2,606,018.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,852,156.16 : 2,792,116.80 = 1,728,707.20 : x
  2. Step 2: Convert to fraction form
    1,852,156.16/2,792,116.80 = 1,728,707.20/x
  3. Step 3: Cross multiply
    1,852,156.16x = 2,792,116.80 × 1,728,707.20
  4. Step 4: Simplify right side
    1,852,156.16x = 4,826,752,415,400.96
  5. Step 5: Solve for x
    x = 4,826,752,415,400.96/1,852,156.16
  6. Step 6: Final answer
    x = 2,606,018.07

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.