Home / 2,886,596.12-3,983,567.64-1,869,770.72

Finding the Fourth Proportional to 2,886,596.12, 3,983,567.64 and 1,869,770.72

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Solution

The fourth proportional to 2,886,596.12, 3,983,567.64 and 1,869,770.72 is: 2,580,325.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,886,596.12 : 3,983,567.64 = 1,869,770.72 : x
  2. Step 2: Convert to fraction form
    2,886,596.12/3,983,567.64 = 1,869,770.72/x
  3. Step 3: Cross multiply
    2,886,596.12x = 3,983,567.64 × 1,869,770.72
  4. Step 4: Simplify right side
    2,886,596.12x = 7,448,358,134,411.50
  5. Step 5: Solve for x
    x = 7,448,358,134,411.50/2,886,596.12
  6. Step 6: Final answer
    x = 2,580,325.69

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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.