Home / 6,321,386.50-8,720,733.45-3,706,555.90

Finding the Fourth Proportional to 6,321,386.50, 8,720,733.45 and 3,706,555.90

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Solution

The fourth proportional to 6,321,386.50, 8,720,733.45 and 3,706,555.90 is: 5,113,417.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,321,386.50 : 8,720,733.45 = 3,706,555.90 : x
  2. Step 2: Convert to fraction form
    6,321,386.50/8,720,733.45 = 3,706,555.90/x
  3. Step 3: Cross multiply
    6,321,386.50x = 8,720,733.45 × 3,706,555.90
  4. Step 4: Simplify right side
    6,321,386.50x = 32,323,886,021,424.85
  5. Step 5: Solve for x
    x = 32,323,886,021,424.85/6,321,386.50
  6. Step 6: Final answer
    x = 5,113,417.13

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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.