Finding the Fourth Proportional to 3,678,603.60, 5,518,138.64 and 1,154,358.48
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Solution
The fourth proportional to 3,678,603.60, 5,518,138.64 and 1,154,358.48 is: 1,731,610.91
Step by Step Solution
- Step 1: Write the proportion equation
3,678,603.60 : 5,518,138.64 = 1,154,358.48 : x - Step 2: Convert to fraction form
3,678,603.60/5,518,138.64 = 1,154,358.48/x - Step 3: Cross multiply
3,678,603.60x = 5,518,138.64 × 1,154,358.48 - Step 4: Simplify right side
3,678,603.60x = 6,369,910,132,899.67 - Step 5: Solve for x
x = 6,369,910,132,899.67/3,678,603.60 - Step 6: Final answer
x = 1,731,610.91
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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.