Finding the Fourth Proportional to 5,124,703.70, 7,071,813.54 and 2,832,716.76
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Solution
The fourth proportional to 5,124,703.70, 7,071,813.54 and 2,832,716.76 is: 3,908,995.70
Step by Step Solution
- Step 1: Write the proportion equation
5,124,703.70 : 7,071,813.54 = 2,832,716.76 : x - Step 2: Convert to fraction form
5,124,703.70/7,071,813.54 = 2,832,716.76/x - Step 3: Cross multiply
5,124,703.70x = 7,071,813.54 × 2,832,716.76 - Step 4: Simplify right side
5,124,703.70x = 20,032,444,738,352.93 - Step 5: Solve for x
x = 20,032,444,738,352.93/5,124,703.70 - Step 6: Final answer
x = 3,908,995.70
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1.5x scale
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.