Finding the Fourth Proportional to 4,296,243.70, 6,442,987.15 and 1,416,963.18
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Solution
The fourth proportional to 4,296,243.70, 6,442,987.15 and 1,416,963.18 is: 2,124,990.15
Step by Step Solution
- Step 1: Write the proportion equation
4,296,243.70 : 6,442,987.15 = 1,416,963.18 : x - Step 2: Convert to fraction form
4,296,243.70/6,442,987.15 = 1,416,963.18/x - Step 3: Cross multiply
4,296,243.70x = 6,442,987.15 × 1,416,963.18 - Step 4: Simplify right side
4,296,243.70x = 9,129,475,560,763.14 - Step 5: Solve for x
x = 9,129,475,560,763.14/4,296,243.70 - Step 6: Final answer
x = 2,124,990.15
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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.