Finding the Fourth Proportional to 1,930,320.48, 2,664,160.56 and 1,071,157.26
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Solution
The fourth proportional to 1,930,320.48, 2,664,160.56 and 1,071,157.26 is: 1,478,373.65
Step by Step Solution
- Step 1: Write the proportion equation
1,930,320.48 : 2,664,160.56 = 1,071,157.26 : x - Step 2: Convert to fraction form
1,930,320.48/2,664,160.56 = 1,071,157.26/x - Step 3: Cross multiply
1,930,320.48x = 2,664,160.56 × 1,071,157.26 - Step 4: Simplify right side
1,930,320.48x = 2,853,734,925,649.67 - Step 5: Solve for x
x = 2,853,734,925,649.67/1,930,320.48 - Step 6: Final answer
x = 1,478,373.65
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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.