Home / 3,130,870.01-4,696,975.31-971,847.72

Finding the Fourth Proportional to 3,130,870.01, 4,696,975.31 and 971,847.72

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Solution

The fourth proportional to 3,130,870.01, 4,696,975.31 and 971,847.72 is: 1,457,979.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,130,870.01 : 4,696,975.31 = 971,847.72 : x
  2. Step 2: Convert to fraction form
    3,130,870.01/4,696,975.31 = 971,847.72/x
  3. Step 3: Cross multiply
    3,130,870.01x = 4,696,975.31 × 971,847.72
  4. Step 4: Simplify right side
    3,130,870.01x = 4,564,744,741,060.55
  5. Step 5: Solve for x
    x = 4,564,744,741,060.55/3,130,870.01
  6. Step 6: Final answer
    x = 1,457,979.65

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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.