Finding the Fourth Proportional to 5,412,106.72, 7,465,266.66 and 3,551,642.92
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Solution
The fourth proportional to 5,412,106.72, 7,465,266.66 and 3,551,642.92 is: 4,899,009.36
Step by Step Solution
- Step 1: Write the proportion equation
5,412,106.72 : 7,465,266.66 = 3,551,642.92 : x - Step 2: Convert to fraction form
5,412,106.72/7,465,266.66 = 3,551,642.92/x - Step 3: Cross multiply
5,412,106.72x = 7,465,266.66 × 3,551,642.92 - Step 4: Simplify right side
5,412,106.72x = 26,513,961,478,901.05 - Step 5: Solve for x
x = 26,513,961,478,901.05/5,412,106.72 - Step 6: Final answer
x = 4,899,009.36
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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.