Home / 2,870,558.70-3,961,421.67-1,581,390.30

Finding the Fourth Proportional to 2,870,558.70, 3,961,421.67 and 1,581,390.30

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Solution

The fourth proportional to 2,870,558.70, 3,961,421.67 and 1,581,390.30 is: 2,182,346.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,870,558.70 : 3,961,421.67 = 1,581,390.30 : x
  2. Step 2: Convert to fraction form
    2,870,558.70/3,961,421.67 = 1,581,390.30/x
  3. Step 3: Cross multiply
    2,870,558.70x = 3,961,421.67 × 1,581,390.30
  4. Step 4: Simplify right side
    2,870,558.70x = 6,264,553,803,147.80
  5. Step 5: Solve for x
    x = 6,264,553,803,147.80/2,870,558.70
  6. Step 6: Final answer
    x = 2,182,346.52

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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.