Home / 4,283,856.89-6,422,421.14-2,931,920.77

Finding the Fourth Proportional to 4,283,856.89, 6,422,421.14 and 2,931,920.77

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Solution

The fourth proportional to 4,283,856.89, 6,422,421.14 and 2,931,920.77 is: 4,395,578.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,283,856.89 : 6,422,421.14 = 2,931,920.77 : x
  2. Step 2: Convert to fraction form
    4,283,856.89/6,422,421.14 = 2,931,920.77/x
  3. Step 3: Cross multiply
    4,283,856.89x = 6,422,421.14 × 2,931,920.77
  4. Step 4: Simplify right side
    4,283,856.89x = 18,830,029,934,053.08
  5. Step 5: Solve for x
    x = 18,830,029,934,053.08/4,283,856.89
  6. Step 6: Final answer
    x = 4,395,578.66

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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.