Finding the Fourth Proportional to 5,046,388.53, 7,569,690.05 and 1,808,137.12
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Solution
The fourth proportional to 5,046,388.53, 7,569,690.05 and 1,808,137.12 is: 2,712,244.11
Step by Step Solution
- Step 1: Write the proportion equation
5,046,388.53 : 7,569,690.05 = 1,808,137.12 : x - Step 2: Convert to fraction form
5,046,388.53/7,569,690.05 = 1,808,137.12/x - Step 3: Cross multiply
5,046,388.53x = 7,569,690.05 × 1,808,137.12 - Step 4: Simplify right side
5,046,388.53x = 13,687,037,566,299.66 - Step 5: Solve for x
x = 13,687,037,566,299.66/5,046,388.53 - Step 6: Final answer
x = 2,712,244.11
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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.