Home / 1,890,330.57-2,608,577.51-1,030,875.21

Finding the Fourth Proportional to 1,890,330.57, 2,608,577.51 and 1,030,875.21

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Solution

The fourth proportional to 1,890,330.57, 2,608,577.51 and 1,030,875.21 is: 1,422,564.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,890,330.57 : 2,608,577.51 = 1,030,875.21 : x
  2. Step 2: Convert to fraction form
    1,890,330.57/2,608,577.51 = 1,030,875.21/x
  3. Step 3: Cross multiply
    1,890,330.57x = 2,608,577.51 × 1,030,875.21
  4. Step 4: Simplify right side
    1,890,330.57x = 2,689,117,883,268.15
  5. Step 5: Solve for x
    x = 2,689,117,883,268.15/1,890,330.57
  6. Step 6: Final answer
    x = 1,422,564.88

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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.