Home / 1,347,509.10-2,018,311.20-1,197,918.30

Finding the Fourth Proportional to 1,347,509.10, 2,018,311.20 and 1,197,918.30

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Solution

The fourth proportional to 1,347,509.10, 2,018,311.20 and 1,197,918.30 is: 1,794,252.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,509.10 : 2,018,311.20 = 1,197,918.30 : x
  2. Step 2: Convert to fraction form
    1,347,509.10/2,018,311.20 = 1,197,918.30/x
  3. Step 3: Cross multiply
    1,347,509.10x = 2,018,311.20 × 1,197,918.30
  4. Step 4: Simplify right side
    1,347,509.10x = 2,417,771,921,574.96
  5. Step 5: Solve for x
    x = 2,417,771,921,574.96/1,347,509.10
  6. Step 6: Final answer
    x = 1,794,252.76

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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.