Finding the Fourth Proportional to 1,931,473.68, 2,665,382.40 and 1,072,011.84
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Solution
The fourth proportional to 1,931,473.68, 2,665,382.40 and 1,072,011.84 is: 1,479,347.88
Step by Step Solution
- Step 1: Write the proportion equation
1,931,473.68 : 2,665,382.40 = 1,072,011.84 : x - Step 2: Convert to fraction form
1,931,473.68/2,665,382.40 = 1,072,011.84/x - Step 3: Cross multiply
1,931,473.68x = 2,665,382.40 × 1,072,011.84 - Step 4: Simplify right side
1,931,473.68x = 2,857,321,490,927.62 - Step 5: Solve for x
x = 2,857,321,490,927.62/1,931,473.68 - Step 6: Final answer
x = 1,479,347.88
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.