Finding the Fourth Proportional to 1,645,811.40, 2,468,717.10 and 1,635,313.80
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Solution
The fourth proportional to 1,645,811.40, 2,468,717.10 and 1,635,313.80 is: 2,452,970.70
Step by Step Solution
- Step 1: Write the proportion equation
1,645,811.40 : 2,468,717.10 = 1,635,313.80 : x - Step 2: Convert to fraction form
1,645,811.40/2,468,717.10 = 1,635,313.80/x - Step 3: Cross multiply
1,645,811.40x = 2,468,717.10 × 1,635,313.80 - Step 4: Simplify right side
1,645,811.40x = 4,037,127,141,925.98 - Step 5: Solve for x
x = 4,037,127,141,925.98/1,645,811.40 - Step 6: Final answer
x = 2,452,970.70
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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.