Home / 1,461,048.76-2,189,312.16-1,012,645.72

Finding the Fourth Proportional to 1,461,048.76, 2,189,312.16 and 1,012,645.72

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Solution

The fourth proportional to 1,461,048.76, 2,189,312.16 and 1,012,645.72 is: 1,517,401.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,461,048.76 : 2,189,312.16 = 1,012,645.72 : x
  2. Step 2: Convert to fraction form
    1,461,048.76/2,189,312.16 = 1,012,645.72/x
  3. Step 3: Cross multiply
    1,461,048.76x = 2,189,312.16 × 1,012,645.72
  4. Step 4: Simplify right side
    1,461,048.76x = 2,216,997,588,567.96
  5. Step 5: Solve for x
    x = 2,216,997,588,567.96/1,461,048.76
  6. Step 6: Final answer
    x = 1,517,401.51

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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.