Home / 2,166,365.66-2,989,752.93-1,199,585.90

Finding the Fourth Proportional to 2,166,365.66, 2,989,752.93 and 1,199,585.90

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Solution

The fourth proportional to 2,166,365.66, 2,989,752.93 and 1,199,585.90 is: 1,655,521.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,166,365.66 : 2,989,752.93 = 1,199,585.90 : x
  2. Step 2: Convert to fraction form
    2,166,365.66/2,989,752.93 = 1,199,585.90/x
  3. Step 3: Cross multiply
    2,166,365.66x = 2,989,752.93 × 1,199,585.90
  4. Step 4: Simplify right side
    2,166,365.66x = 3,586,465,459,311.69
  5. Step 5: Solve for x
    x = 3,586,465,459,311.69/2,166,365.66
  6. Step 6: Final answer
    x = 1,655,521.75

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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.