Finding the Fourth Proportional to 2,219,158.25, 3,328,927.11 and 779,716.54
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Solution
The fourth proportional to 2,219,158.25, 3,328,927.11 and 779,716.54 is: 1,169,641.47
Step by Step Solution
- Step 1: Write the proportion equation
2,219,158.25 : 3,328,927.11 = 779,716.54 : x - Step 2: Convert to fraction form
2,219,158.25/3,328,927.11 = 779,716.54/x - Step 3: Cross multiply
2,219,158.25x = 3,328,927.11 × 779,716.54 - Step 4: Simplify right side
2,219,158.25x = 2,595,619,519,799.08 - Step 5: Solve for x
x = 2,595,619,519,799.08/2,219,158.25 - Step 6: Final answer
x = 1,169,641.47
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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.