Finding the Fourth Proportional to 2,972,461.60, 4,102,249.99 and 1,683,531.28
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Solution
The fourth proportional to 2,972,461.60, 4,102,249.99 and 1,683,531.28 is: 2,323,416.45
Step by Step Solution
- Step 1: Write the proportion equation
2,972,461.60 : 4,102,249.99 = 1,683,531.28 : x - Step 2: Convert to fraction form
2,972,461.60/4,102,249.99 = 1,683,531.28/x - Step 3: Cross multiply
2,972,461.60x = 4,102,249.99 × 1,683,531.28 - Step 4: Simplify right side
2,972,461.60x = 6,906,266,162,080.24 - Step 5: Solve for x
x = 6,906,266,162,080.24/2,972,461.60 - Step 6: Final answer
x = 2,323,416.45
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.