Home / 6,390,942.50-8,819,718.29-3,779,685.00

Finding the Fourth Proportional to 6,390,942.50, 8,819,718.29 and 3,779,685.00

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Solution

The fourth proportional to 6,390,942.50, 8,819,718.29 and 3,779,685.00 is: 5,216,094.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,390,942.50 : 8,819,718.29 = 3,779,685.00 : x
  2. Step 2: Convert to fraction form
    6,390,942.50/8,819,718.29 = 3,779,685.00/x
  3. Step 3: Cross multiply
    6,390,942.50x = 8,819,718.29 × 3,779,685.00
  4. Step 4: Simplify right side
    6,390,942.50x = 33,335,756,934,389.14
  5. Step 5: Solve for x
    x = 33,335,756,934,389.14/6,390,942.50
  6. Step 6: Final answer
    x = 5,216,094.02

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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.