Finding the Fourth Proportional to 2,516,328.68, 3,472,631.88 and 1,428,701.48
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Solution
The fourth proportional to 2,516,328.68, 3,472,631.88 and 1,428,701.48 is: 1,971,663.86
Step by Step Solution
- Step 1: Write the proportion equation
2,516,328.68 : 3,472,631.88 = 1,428,701.48 : x - Step 2: Convert to fraction form
2,516,328.68/3,472,631.88 = 1,428,701.48/x - Step 3: Cross multiply
2,516,328.68x = 3,472,631.88 × 1,428,701.48 - Step 4: Simplify right side
2,516,328.68x = 4,961,354,306,451.18 - Step 5: Solve for x
x = 4,961,354,306,451.18/2,516,328.68 - Step 6: Final answer
x = 1,971,663.86
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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.