Home / 1,552,331.51-2,141,950.93-1,426,762.78

Finding the Fourth Proportional to 1,552,331.51, 2,141,950.93 and 1,426,762.78

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Solution

The fourth proportional to 1,552,331.51, 2,141,950.93 and 1,426,762.78 is: 1,968,687.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,552,331.51 : 2,141,950.93 = 1,426,762.78 : x
  2. Step 2: Convert to fraction form
    1,552,331.51/2,141,950.93 = 1,426,762.78/x
  3. Step 3: Cross multiply
    1,552,331.51x = 2,141,950.93 × 1,426,762.78
  4. Step 4: Simplify right side
    1,552,331.51x = 3,056,055,863,510.39
  5. Step 5: Solve for x
    x = 3,056,055,863,510.39/1,552,331.51
  6. Step 6: Final answer
    x = 1,968,687.64

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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.