Home / 1,913,431.90-2,870,147.85-1,600,836.70

Finding the Fourth Proportional to 1,913,431.90, 2,870,147.85 and 1,600,836.70

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Solution

The fourth proportional to 1,913,431.90, 2,870,147.85 and 1,600,836.70 is: 2,401,255.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,913,431.90 : 2,870,147.85 = 1,600,836.70 : x
  2. Step 2: Convert to fraction form
    1,913,431.90/2,870,147.85 = 1,600,836.70/x
  3. Step 3: Cross multiply
    1,913,431.90x = 2,870,147.85 × 1,600,836.70
  4. Step 4: Simplify right side
    1,913,431.90x = 4,594,638,012,706.10
  5. Step 5: Solve for x
    x = 4,594,638,012,706.10/1,913,431.90
  6. Step 6: Final answer
    x = 2,401,255.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.