Home / 6,427,779.11-8,870,886.09-3,527,730.57

Finding the Fourth Proportional to 6,427,779.11, 8,870,886.09 and 3,527,730.57

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Solution

The fourth proportional to 6,427,779.11, 8,870,886.09 and 3,527,730.57 is: 4,868,570.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,427,779.11 : 8,870,886.09 = 3,527,730.57 : x
  2. Step 2: Convert to fraction form
    6,427,779.11/8,870,886.09 = 3,527,730.57/x
  3. Step 3: Cross multiply
    6,427,779.11x = 8,870,886.09 × 3,527,730.57
  4. Step 4: Simplify right side
    6,427,779.11x = 31,294,096,042,680.77
  5. Step 5: Solve for x
    x = 31,294,096,042,680.77/6,427,779.11
  6. Step 6: Final answer
    x = 4,868,570.55

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1.5x scale

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.