Finding the Fourth Proportional to 5,361,053.99, 7,398,303.35 and 2,913,671.25
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Solution
The fourth proportional to 5,361,053.99, 7,398,303.35 and 2,913,671.25 is: 4,020,892.87
Step by Step Solution
- Step 1: Write the proportion equation
5,361,053.99 : 7,398,303.35 = 2,913,671.25 : x - Step 2: Convert to fraction form
5,361,053.99/7,398,303.35 = 2,913,671.25/x - Step 3: Cross multiply
5,361,053.99x = 7,398,303.35 × 2,913,671.25 - Step 4: Simplify right side
5,361,053.99x = 21,556,223,755,105.33 - Step 5: Solve for x
x = 21,556,223,755,105.33/5,361,053.99 - Step 6: Final answer
x = 4,020,892.87
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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.