Finding the Fourth Proportional to 1,668,621.48, 2,502,927.36 and 1,443,311.88
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Solution
The fourth proportional to 1,668,621.48, 2,502,927.36 and 1,443,311.88 is: 2,164,963.62
Step by Step Solution
- Step 1: Write the proportion equation
1,668,621.48 : 2,502,927.36 = 1,443,311.88 : x - Step 2: Convert to fraction form
1,668,621.48/2,502,927.36 = 1,443,311.88/x - Step 3: Cross multiply
1,668,621.48x = 2,502,927.36 × 1,443,311.88 - Step 4: Simplify right side
1,668,621.48x = 3,612,504,793,465.04 - Step 5: Solve for x
x = 3,612,504,793,465.04/1,668,621.48 - Step 6: Final answer
x = 2,164,963.62
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.