Home / 3,105,810.60-4,656,815.10-1,210,367.40

Finding the Fourth Proportional to 3,105,810.60, 4,656,815.10 and 1,210,367.40

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Solution

The fourth proportional to 3,105,810.60, 4,656,815.10 and 1,210,367.40 is: 1,814,810.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,105,810.60 : 4,656,815.10 = 1,210,367.40 : x
  2. Step 2: Convert to fraction form
    3,105,810.60/4,656,815.10 = 1,210,367.40/x
  3. Step 3: Cross multiply
    3,105,810.60x = 4,656,815.10 × 1,210,367.40
  4. Step 4: Simplify right side
    3,105,810.60x = 5,636,457,184,867.74
  5. Step 5: Solve for x
    x = 5,636,457,184,867.74/3,105,810.60
  6. Step 6: Final answer
    x = 1,814,810.34

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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.