Finding the Fourth Proportional to 4,975,946.78, 7,461,244.43 and 2,927,315.54
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Solution
The fourth proportional to 4,975,946.78, 7,461,244.43 and 2,927,315.54 is: 4,389,399.19
Step by Step Solution
- Step 1: Write the proportion equation
4,975,946.78 : 7,461,244.43 = 2,927,315.54 : x - Step 2: Convert to fraction form
4,975,946.78/7,461,244.43 = 2,927,315.54/x - Step 3: Cross multiply
4,975,946.78x = 7,461,244.43 × 2,927,315.54 - Step 4: Simplify right side
4,975,946.78x = 21,841,416,757,168.06 - Step 5: Solve for x
x = 21,841,416,757,168.06/4,975,946.78 - Step 6: Final answer
x = 4,389,399.19
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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.