Home / 2,698,128.70-4,046,674.65-804,931.90

Finding the Fourth Proportional to 2,698,128.70, 4,046,674.65 and 804,931.90

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Solution

The fourth proportional to 2,698,128.70, 4,046,674.65 and 804,931.90 is: 1,207,243.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,698,128.70 : 4,046,674.65 = 804,931.90 : x
  2. Step 2: Convert to fraction form
    2,698,128.70/4,046,674.65 = 804,931.90/x
  3. Step 3: Cross multiply
    2,698,128.70x = 4,046,674.65 × 804,931.90
  4. Step 4: Simplify right side
    2,698,128.70x = 3,257,297,514,706.34
  5. Step 5: Solve for x
    x = 3,257,297,514,706.34/2,698,128.70
  6. Step 6: Final answer
    x = 1,207,243.20

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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.