Home / 4,977,677.21-6,869,327.45-2,802,302.87

Finding the Fourth Proportional to 4,977,677.21, 6,869,327.45 and 2,802,302.87

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Solution

The fourth proportional to 4,977,677.21, 6,869,327.45 and 2,802,302.87 is: 3,867,252.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,977,677.21 : 6,869,327.45 = 2,802,302.87 : x
  2. Step 2: Convert to fraction form
    4,977,677.21/6,869,327.45 = 2,802,302.87/x
  3. Step 3: Cross multiply
    4,977,677.21x = 6,869,327.45 × 2,802,302.87
  4. Step 4: Simplify right side
    4,977,677.21x = 19,249,935,979,746.63
  5. Step 5: Solve for x
    x = 19,249,935,979,746.63/4,977,677.21
  6. Step 6: Final answer
    x = 3,867,252.77

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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.