Home / 4,678,386.30-7,017,579.45-2,655,848.70

Finding the Fourth Proportional to 4,678,386.30, 7,017,579.45 and 2,655,848.70

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Solution

The fourth proportional to 4,678,386.30, 7,017,579.45 and 2,655,848.70 is: 3,983,773.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,678,386.30 : 7,017,579.45 = 2,655,848.70 : x
  2. Step 2: Convert to fraction form
    4,678,386.30/7,017,579.45 = 2,655,848.70/x
  3. Step 3: Cross multiply
    4,678,386.30x = 7,017,579.45 × 2,655,848.70
  4. Step 4: Simplify right side
    4,678,386.30x = 18,637,629,259,429.22
  5. Step 5: Solve for x
    x = 18,637,629,259,429.22/4,678,386.30
  6. Step 6: Final answer
    x = 3,983,773.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.