Finding the Fourth Proportional to 4,420,492.31, 6,630,738.71 and 1,225,618.53
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Solution
The fourth proportional to 4,420,492.31, 6,630,738.71 and 1,225,618.53 is: 1,838,427.86
Step by Step Solution
- Step 1: Write the proportion equation
4,420,492.31 : 6,630,738.71 = 1,225,618.53 : x - Step 2: Convert to fraction form
4,420,492.31/6,630,738.71 = 1,225,618.53/x - Step 3: Cross multiply
4,420,492.31x = 6,630,738.71 × 1,225,618.53 - Step 4: Simplify right side
4,420,492.31x = 8,126,756,224,436.20 - Step 5: Solve for x
x = 8,126,756,224,436.20/4,420,492.31 - Step 6: Final answer
x = 1,838,427.86
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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.