Finding the Fourth Proportional to 6,453,153.16, 8,905,078.55 and 3,512,909.12
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Solution
The fourth proportional to 6,453,153.16, 8,905,078.55 and 3,512,909.12 is: 4,847,666.08
Step by Step Solution
- Step 1: Write the proportion equation
6,453,153.16 : 8,905,078.55 = 3,512,909.12 : x - Step 2: Convert to fraction form
6,453,153.16/8,905,078.55 = 3,512,909.12/x - Step 3: Cross multiply
6,453,153.16x = 8,905,078.55 × 3,512,909.12 - Step 4: Simplify right side
6,453,153.16x = 31,282,731,683,656.35 - Step 5: Solve for x
x = 31,282,731,683,656.35/6,453,153.16 - Step 6: Final answer
x = 4,847,666.08
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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.