Home / 4,670,740.06-6,446,064.95-2,928,685.21

Finding the Fourth Proportional to 4,670,740.06, 6,446,064.95 and 2,928,685.21

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Solution

The fourth proportional to 4,670,740.06, 6,446,064.95 and 2,928,685.21 is: 4,041,863.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,670,740.06 : 6,446,064.95 = 2,928,685.21 : x
  2. Step 2: Convert to fraction form
    4,670,740.06/6,446,064.95 = 2,928,685.21/x
  3. Step 3: Cross multiply
    4,670,740.06x = 6,446,064.95 × 2,928,685.21
  4. Step 4: Simplify right side
    4,670,740.06x = 18,878,495,061,988.37
  5. Step 5: Solve for x
    x = 18,878,495,061,988.37/4,670,740.06
  6. Step 6: Final answer
    x = 4,041,863.78

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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.