Finding the Fourth Proportional to 1,602,842.68, 2,211,950.10 and 877,678.84
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Solution
The fourth proportional to 1,602,842.68, 2,211,950.10 and 877,678.84 is: 1,211,211.69
Step by Step Solution
- Step 1: Write the proportion equation
1,602,842.68 : 2,211,950.10 = 877,678.84 : x - Step 2: Convert to fraction form
1,602,842.68/2,211,950.10 = 877,678.84/x - Step 3: Cross multiply
1,602,842.68x = 2,211,950.10 × 877,678.84 - Step 4: Simplify right side
1,602,842.68x = 1,941,381,797,905.88 - Step 5: Solve for x
x = 1,941,381,797,905.88/1,602,842.68 - Step 6: Final answer
x = 1,211,211.69
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1.5x scale
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.