Home / 2,931,353.10-4,396,817.70-909,545.40

Finding the Fourth Proportional to 2,931,353.10, 4,396,817.70 and 909,545.40

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Solution

The fourth proportional to 2,931,353.10, 4,396,817.70 and 909,545.40 is: 1,364,252.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,931,353.10 : 4,396,817.70 = 909,545.40 : x
  2. Step 2: Convert to fraction form
    2,931,353.10/4,396,817.70 = 909,545.40/x
  3. Step 3: Cross multiply
    2,931,353.10x = 4,396,817.70 × 909,545.40
  4. Step 4: Simplify right side
    2,931,353.10x = 3,999,105,313,673.58
  5. Step 5: Solve for x
    x = 3,999,105,313,673.58/2,931,353.10
  6. Step 6: Final answer
    x = 1,364,252.34

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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.