Home / 3,579,774.51-4,939,994.16-1,948,146.84

Finding the Fourth Proportional to 3,579,774.51, 4,939,994.16 and 1,948,146.84

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Solution

The fourth proportional to 3,579,774.51, 4,939,994.16 and 1,948,146.84 is: 2,688,391.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,579,774.51 : 4,939,994.16 = 1,948,146.84 : x
  2. Step 2: Convert to fraction form
    3,579,774.51/4,939,994.16 = 1,948,146.84/x
  3. Step 3: Cross multiply
    3,579,774.51x = 4,939,994.16 × 1,948,146.84
  4. Step 4: Simplify right side
    3,579,774.51x = 9,623,834,012,422.46
  5. Step 5: Solve for x
    x = 9,623,834,012,422.46/3,579,774.51
  6. Step 6: Final answer
    x = 2,688,391.12

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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.