Finding the Fourth Proportional to 2,213,445.08, 3,317,802.42 and 1,580,439.80
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Solution
The fourth proportional to 2,213,445.08, 3,317,802.42 and 1,580,439.80 is: 2,368,970.90
Step by Step Solution
- Step 1: Write the proportion equation
2,213,445.08 : 3,317,802.42 = 1,580,439.80 : x - Step 2: Convert to fraction form
2,213,445.08/3,317,802.42 = 1,580,439.80/x - Step 3: Cross multiply
2,213,445.08x = 3,317,802.42 × 1,580,439.80 - Step 4: Simplify right side
2,213,445.08x = 5,243,586,993,104.32 - Step 5: Solve for x
x = 5,243,586,993,104.32/2,213,445.08 - Step 6: Final answer
x = 2,368,970.90
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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.