Home / 2,908,868.61-4,014,421.01-1,602,120.39

Finding the Fourth Proportional to 2,908,868.61, 4,014,421.01 and 1,602,120.39

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Solution

The fourth proportional to 2,908,868.61, 4,014,421.01 and 1,602,120.39 is: 2,211,026.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,908,868.61 : 4,014,421.01 = 1,602,120.39 : x
  2. Step 2: Convert to fraction form
    2,908,868.61/4,014,421.01 = 1,602,120.39/x
  3. Step 3: Cross multiply
    2,908,868.61x = 4,014,421.01 × 1,602,120.39
  4. Step 4: Simplify right side
    2,908,868.61x = 6,431,585,754,165.39
  5. Step 5: Solve for x
    x = 6,431,585,754,165.39/2,908,868.61
  6. Step 6: Final answer
    x = 2,211,026.56

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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.