Home / 6,288,818.40-8,678,517.18-3,535,518.07

Finding the Fourth Proportional to 6,288,818.40, 8,678,517.18 and 3,535,518.07

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Solution

The fourth proportional to 6,288,818.40, 8,678,517.18 and 3,535,518.07 is: 4,878,985.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,288,818.40 : 8,678,517.18 = 3,535,518.07 : x
  2. Step 2: Convert to fraction form
    6,288,818.40/8,678,517.18 = 3,535,518.07/x
  3. Step 3: Cross multiply
    6,288,818.40x = 8,678,517.18 × 3,535,518.07
  4. Step 4: Simplify right side
    6,288,818.40x = 30,683,054,293,820.71
  5. Step 5: Solve for x
    x = 30,683,054,293,820.71/6,288,818.40
  6. Step 6: Final answer
    x = 4,878,985.58

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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.