Finding the Fourth Proportional to 2,214,325.28, 3,055,994.62 and 1,355,453.12
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Solution
The fourth proportional to 2,214,325.28, 3,055,994.62 and 1,355,453.12 is: 1,870,663.48
Step by Step Solution
- Step 1: Write the proportion equation
2,214,325.28 : 3,055,994.62 = 1,355,453.12 : x - Step 2: Convert to fraction form
2,214,325.28/3,055,994.62 = 1,355,453.12/x - Step 3: Cross multiply
2,214,325.28x = 3,055,994.62 × 1,355,453.12 - Step 4: Simplify right side
2,214,325.28x = 4,142,257,442,382.22 - Step 5: Solve for x
x = 4,142,257,442,382.22/2,214,325.28 - Step 6: Final answer
x = 1,870,663.48
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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.