Home / 1,984,901.13-2,742,887.21-1,622,192.72

Finding the Fourth Proportional to 1,984,901.13, 2,742,887.21 and 1,622,192.72

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Solution

The fourth proportional to 1,984,901.13, 2,742,887.21 and 1,622,192.72 is: 2,241,669.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,984,901.13 : 2,742,887.21 = 1,622,192.72 : x
  2. Step 2: Convert to fraction form
    1,984,901.13/2,742,887.21 = 1,622,192.72/x
  3. Step 3: Cross multiply
    1,984,901.13x = 2,742,887.21 × 1,622,192.72
  4. Step 4: Simplify right side
    1,984,901.13x = 4,449,491,642,017.71
  5. Step 5: Solve for x
    x = 4,449,491,642,017.71/1,984,901.13
  6. Step 6: Final answer
    x = 2,241,669.16

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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.