Home / 3,117,931.56-4,677,291-987,254.10

Finding the Fourth Proportional to 3,117,931.56, 4,677,291 and 987,254.10

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Solution

The fourth proportional to 3,117,931.56, 4,677,291 and 987,254.10 is: 1,481,005.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,117,931.56 : 4,677,291 = 987,254.10 : x
  2. Step 2: Convert to fraction form
    3,117,931.56/4,677,291 = 987,254.10/x
  3. Step 3: Cross multiply
    3,117,931.56x = 4,677,291 × 987,254.10
  4. Step 4: Simplify right side
    3,117,931.56x = 4,617,674,716,643.10
  5. Step 5: Solve for x
    x = 4,617,674,716,643.10/3,117,931.56
  6. Step 6: Final answer
    x = 1,481,005.80

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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.