Finding the Fourth Proportional to 5,299,776.05, 7,913,763.10 and 4,208,038.49
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Solution
The fourth proportional to 5,299,776.05, 7,913,763.10 and 4,208,038.49 is: 6,283,552.26
Step by Step Solution
- Step 1: Write the proportion equation
5,299,776.05 : 7,913,763.10 = 4,208,038.49 : x - Step 2: Convert to fraction form
5,299,776.05/7,913,763.10 = 4,208,038.49/x - Step 3: Cross multiply
5,299,776.05x = 7,913,763.10 × 4,208,038.49 - Step 4: Simplify right side
5,299,776.05x = 33,301,419,762,421.28 - Step 5: Solve for x
x = 33,301,419,762,421.28/5,299,776.05 - Step 6: Final answer
x = 6,283,552.26
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.