Home / 3,430,140.54-4,733,252.55-1,980,303.90

Finding the Fourth Proportional to 3,430,140.54, 4,733,252.55 and 1,980,303.90

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Solution

The fourth proportional to 3,430,140.54, 4,733,252.55 and 1,980,303.90 is: 2,732,622.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,430,140.54 : 4,733,252.55 = 1,980,303.90 : x
  2. Step 2: Convert to fraction form
    3,430,140.54/4,733,252.55 = 1,980,303.90/x
  3. Step 3: Cross multiply
    3,430,140.54x = 4,733,252.55 × 1,980,303.90
  4. Step 4: Simplify right side
    3,430,140.54x = 9,373,278,484,449.94
  5. Step 5: Solve for x
    x = 9,373,278,484,449.94/3,430,140.54
  6. Step 6: Final answer
    x = 2,732,622.29

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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.