Finding the Fourth Proportional to 5,638,377.12, 8,455,670.20 and 2,043,391.36
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Solution
The fourth proportional to 5,638,377.12, 8,455,670.20 and 2,043,391.36 is: 3,064,400.10
Step by Step Solution
- Step 1: Write the proportion equation
5,638,377.12 : 8,455,670.20 = 2,043,391.36 : x - Step 2: Convert to fraction form
5,638,377.12/8,455,670.20 = 2,043,391.36/x - Step 3: Cross multiply
5,638,377.12x = 8,455,670.20 × 2,043,391.36 - Step 4: Simplify right side
5,638,377.12x = 17,278,243,429,689.47 - Step 5: Solve for x
x = 17,278,243,429,689.47/5,638,377.12 - Step 6: Final answer
x = 3,064,400.10
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.