Finding the Fourth Proportional to 5,377,654.08, 7,421,522.24 and 2,963,206.08
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Solution
The fourth proportional to 5,377,654.08, 7,421,522.24 and 2,963,206.08 is: 4,089,422.54
Step by Step Solution
- Step 1: Write the proportion equation
5,377,654.08 : 7,421,522.24 = 2,963,206.08 : x - Step 2: Convert to fraction form
5,377,654.08/7,421,522.24 = 2,963,206.08/x - Step 3: Cross multiply
5,377,654.08x = 7,421,522.24 × 2,963,206.08 - Step 4: Simplify right side
5,377,654.08x = 21,991,499,824,423.22 - Step 5: Solve for x
x = 21,991,499,824,423.22/5,377,654.08 - Step 6: Final answer
x = 4,089,422.54
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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.