Home / 1,881,712.32-2,596,816.27-1,065,915.81

Finding the Fourth Proportional to 1,881,712.32, 2,596,816.27 and 1,065,915.81

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Solution

The fourth proportional to 1,881,712.32, 2,596,816.27 and 1,065,915.81 is: 1,470,993.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,881,712.32 : 2,596,816.27 = 1,065,915.81 : x
  2. Step 2: Convert to fraction form
    1,881,712.32/2,596,816.27 = 1,065,915.81/x
  3. Step 3: Cross multiply
    1,881,712.32x = 2,596,816.27 × 1,065,915.81
  4. Step 4: Simplify right side
    1,881,712.32x = 2,767,987,517,858.23
  5. Step 5: Solve for x
    x = 2,767,987,517,858.23/1,881,712.32
  6. Step 6: Final answer
    x = 1,470,993.99

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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.