Home / 3,113,135.40-4,669,703.10-983,434.80

Finding the Fourth Proportional to 3,113,135.40, 4,669,703.10 and 983,434.80

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Solution

The fourth proportional to 3,113,135.40, 4,669,703.10 and 983,434.80 is: 1,475,152.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,113,135.40 : 4,669,703.10 = 983,434.80 : x
  2. Step 2: Convert to fraction form
    3,113,135.40/4,669,703.10 = 983,434.80/x
  3. Step 3: Cross multiply
    3,113,135.40x = 4,669,703.10 × 983,434.80
  4. Step 4: Simplify right side
    3,113,135.40x = 4,592,348,534,207.88
  5. Step 5: Solve for x
    x = 4,592,348,534,207.88/3,113,135.40
  6. Step 6: Final answer
    x = 1,475,152.20

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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.