Home / 1,913,446.02-2,640,742.21-1,429,171.32

Finding the Fourth Proportional to 1,913,446.02, 2,640,742.21 and 1,429,171.32

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Solution

The fourth proportional to 1,913,446.02, 2,640,742.21 and 1,429,171.32 is: 1,972,395.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,913,446.02 : 2,640,742.21 = 1,429,171.32 : x
  2. Step 2: Convert to fraction form
    1,913,446.02/2,640,742.21 = 1,429,171.32/x
  3. Step 3: Cross multiply
    1,913,446.02x = 2,640,742.21 × 1,429,171.32
  4. Step 4: Simplify right side
    1,913,446.02x = 3,774,073,030,045.42
  5. Step 5: Solve for x
    x = 3,774,073,030,045.42/1,913,446.02
  6. Step 6: Final answer
    x = 1,972,395.87

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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.