Home / 2,144,457.18-3,231,746.64-1,931,491.98

Finding the Fourth Proportional to 2,144,457.18, 3,231,746.64 and 1,931,491.98

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Solution

The fourth proportional to 2,144,457.18, 3,231,746.64 and 1,931,491.98 is: 2,910,803.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,144,457.18 : 3,231,746.64 = 1,931,491.98 : x
  2. Step 2: Convert to fraction form
    2,144,457.18/3,231,746.64 = 1,931,491.98/x
  3. Step 3: Cross multiply
    2,144,457.18x = 3,231,746.64 × 1,931,491.98
  4. Step 4: Simplify right side
    2,144,457.18x = 6,242,092,716,551.95
  5. Step 5: Solve for x
    x = 6,242,092,716,551.95/2,144,457.18
  6. Step 6: Final answer
    x = 2,910,803.15

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.