Finding the Fourth Proportional to 5,254,946.40, 7,252,471.68 and 2,963,061.12
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Solution
The fourth proportional to 5,254,946.40, 7,252,471.68 and 2,963,061.12 is: 4,089,388.40
Step by Step Solution
- Step 1: Write the proportion equation
5,254,946.40 : 7,252,471.68 = 2,963,061.12 : x - Step 2: Convert to fraction form
5,254,946.40/7,252,471.68 = 2,963,061.12/x - Step 3: Cross multiply
5,254,946.40x = 7,252,471.68 × 2,963,061.12 - Step 4: Simplify right side
5,254,946.40x = 21,489,516,858,909.08 - Step 5: Solve for x
x = 21,489,516,858,909.08/5,254,946.40 - Step 6: Final answer
x = 4,089,388.40
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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.