Home / 1,878,309.84-2,589,191.46-1,151,810.40

Finding the Fourth Proportional to 1,878,309.84, 2,589,191.46 and 1,151,810.40

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Solution

The fourth proportional to 1,878,309.84, 2,589,191.46 and 1,151,810.40 is: 1,587,734.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,878,309.84 : 2,589,191.46 = 1,151,810.40 : x
  2. Step 2: Convert to fraction form
    1,878,309.84/2,589,191.46 = 1,151,810.40/x
  3. Step 3: Cross multiply
    1,878,309.84x = 2,589,191.46 × 1,151,810.40
  4. Step 4: Simplify right side
    1,878,309.84x = 2,982,257,651,219.18
  5. Step 5: Solve for x
    x = 2,982,257,651,219.18/1,878,309.84
  6. Step 6: Final answer
    x = 1,587,734.67

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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.