Home / 3,114,686.40-4,671,154.80-985,423.20

Finding the Fourth Proportional to 3,114,686.40, 4,671,154.80 and 985,423.20

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Solution

The fourth proportional to 3,114,686.40, 4,671,154.80 and 985,423.20 is: 1,477,858.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,114,686.40 : 4,671,154.80 = 985,423.20 : x
  2. Step 2: Convert to fraction form
    3,114,686.40/4,671,154.80 = 985,423.20/x
  3. Step 3: Cross multiply
    3,114,686.40x = 4,671,154.80 × 985,423.20
  4. Step 4: Simplify right side
    3,114,686.40x = 4,603,064,310,711.36
  5. Step 5: Solve for x
    x = 4,603,064,310,711.36/3,114,686.40
  6. Step 6: Final answer
    x = 1,477,858.03

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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.