Finding the Fourth Proportional to 1,863,284.90, 2,794,927.35 and 665,246.30
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Solution
The fourth proportional to 1,863,284.90, 2,794,927.35 and 665,246.30 is: 997,869.45
Step by Step Solution
- Step 1: Write the proportion equation
1,863,284.90 : 2,794,927.35 = 665,246.30 : x - Step 2: Convert to fraction form
1,863,284.90/2,794,927.35 = 665,246.30/x - Step 3: Cross multiply
1,863,284.90x = 2,794,927.35 × 665,246.30 - Step 4: Simplify right side
1,863,284.90x = 1,859,315,078,356.31 - Step 5: Solve for x
x = 1,859,315,078,356.31/1,863,284.90 - Step 6: Final answer
x = 997,869.45
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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.