Home / 1,881,000.87-2,595,796.43-1,021,567.28

Finding the Fourth Proportional to 1,881,000.87, 2,595,796.43 and 1,021,567.28

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Solution

The fourth proportional to 1,881,000.87, 2,595,796.43 and 1,021,567.28 is: 1,409,771.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,881,000.87 : 2,595,796.43 = 1,021,567.28 : x
  2. Step 2: Convert to fraction form
    1,881,000.87/2,595,796.43 = 1,021,567.28/x
  3. Step 3: Cross multiply
    1,881,000.87x = 2,595,796.43 × 1,021,567.28
  4. Step 4: Simplify right side
    1,881,000.87x = 2,651,780,680,341.99
  5. Step 5: Solve for x
    x = 2,651,780,680,341.99/1,881,000.87
  6. Step 6: Final answer
    x = 1,409,771.11

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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.