Home / 2,166,568.55-2,989,827.95-1,199,678.07

Finding the Fourth Proportional to 2,166,568.55, 2,989,827.95 and 1,199,678.07

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Solution

The fourth proportional to 2,166,568.55, 2,989,827.95 and 1,199,678.07 is: 1,655,535.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,166,568.55 : 2,989,827.95 = 1,199,678.07 : x
  2. Step 2: Convert to fraction form
    2,166,568.55/2,989,827.95 = 1,199,678.07/x
  3. Step 3: Cross multiply
    2,166,568.55x = 2,989,827.95 × 1,199,678.07
  4. Step 4: Simplify right side
    2,166,568.55x = 3,586,831,018,689.67
  5. Step 5: Solve for x
    x = 3,586,831,018,689.67/2,166,568.55
  6. Step 6: Final answer
    x = 1,655,535.44

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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.