Home / 1,908,683.12-2,862,949.89-646,510.70

Finding the Fourth Proportional to 1,908,683.12, 2,862,949.89 and 646,510.70

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Solution

The fourth proportional to 1,908,683.12, 2,862,949.89 and 646,510.70 is: 969,740.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,908,683.12 : 2,862,949.89 = 646,510.70 : x
  2. Step 2: Convert to fraction form
    1,908,683.12/2,862,949.89 = 646,510.70/x
  3. Step 3: Cross multiply
    1,908,683.12x = 2,862,949.89 × 646,510.70
  4. Step 4: Simplify right side
    1,908,683.12x = 1,850,927,747,030.61
  5. Step 5: Solve for x
    x = 1,850,927,747,030.61/1,908,683.12
  6. Step 6: Final answer
    x = 969,740.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.