Home / 3,963,405.60-5,945,108.40-971,589.60

Finding the Fourth Proportional to 3,963,405.60, 5,945,108.40 and 971,589.60

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Solution

The fourth proportional to 3,963,405.60, 5,945,108.40 and 971,589.60 is: 1,457,384.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,963,405.60 : 5,945,108.40 = 971,589.60 : x
  2. Step 2: Convert to fraction form
    3,963,405.60/5,945,108.40 = 971,589.60/x
  3. Step 3: Cross multiply
    3,963,405.60x = 5,945,108.40 × 971,589.60
  4. Step 4: Simplify right side
    3,963,405.60x = 5,776,205,492,312.64
  5. Step 5: Solve for x
    x = 5,776,205,492,312.64/3,963,405.60
  6. Step 6: Final answer
    x = 1,457,384.40

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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.