Home / 1,980,521.64-2,733,133.86-1,075,103.64

Finding the Fourth Proportional to 1,980,521.64, 2,733,133.86 and 1,075,103.64

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Solution

The fourth proportional to 1,980,521.64, 2,733,133.86 and 1,075,103.64 is: 1,483,650.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,980,521.64 : 2,733,133.86 = 1,075,103.64 : x
  2. Step 2: Convert to fraction form
    1,980,521.64/2,733,133.86 = 1,075,103.64/x
  3. Step 3: Cross multiply
    1,980,521.64x = 2,733,133.86 × 1,075,103.64
  4. Step 4: Simplify right side
    1,980,521.64x = 2,938,402,161,493.25
  5. Step 5: Solve for x
    x = 2,938,402,161,493.25/1,980,521.64
  6. Step 6: Final answer
    x = 1,483,650.62

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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.