Finding the Fourth Proportional to 1,480,743.13, 2,221,250.25 and 415,778.02
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Solution
The fourth proportional to 1,480,743.13, 2,221,250.25 and 415,778.02 is: 623,705.09
Step by Step Solution
- Step 1: Write the proportion equation
1,480,743.13 : 2,221,250.25 = 415,778.02 : x - Step 2: Convert to fraction form
1,480,743.13/2,221,250.25 = 415,778.02/x - Step 3: Cross multiply
1,480,743.13x = 2,221,250.25 × 415,778.02 - Step 4: Simplify right side
1,480,743.13x = 923,547,030,869.51 - Step 5: Solve for x
x = 923,547,030,869.51/1,480,743.13 - Step 6: Final answer
x = 623,705.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.