Home / 1,931,411.44-2,665,677.64-1,115,468.46

Finding the Fourth Proportional to 1,931,411.44, 2,665,677.64 and 1,115,468.46

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Solution

The fourth proportional to 1,931,411.44, 2,665,677.64 and 1,115,468.46 is: 1,539,536.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,931,411.44 : 2,665,677.64 = 1,115,468.46 : x
  2. Step 2: Convert to fraction form
    1,931,411.44/2,665,677.64 = 1,115,468.46/x
  3. Step 3: Cross multiply
    1,931,411.44x = 2,665,677.64 × 1,115,468.46
  4. Step 4: Simplify right side
    1,931,411.44x = 2,973,479,331,947.23
  5. Step 5: Solve for x
    x = 2,973,479,331,947.23/1,931,411.44
  6. Step 6: Final answer
    x = 1,539,536.98

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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.