Finding the Fourth Proportional to 1,863,784.77, 2,791,579.21 and 1,540,270.05
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Solution
The fourth proportional to 1,863,784.77, 2,791,579.21 and 1,540,270.05 is: 2,307,018.45
Step by Step Solution
- Step 1: Write the proportion equation
1,863,784.77 : 2,791,579.21 = 1,540,270.05 : x - Step 2: Convert to fraction form
1,863,784.77/2,791,579.21 = 1,540,270.05/x - Step 3: Cross multiply
1,863,784.77x = 2,791,579.21 × 1,540,270.05 - Step 4: Simplify right side
1,863,784.77x = 4,299,785,845,514.99 - Step 5: Solve for x
x = 4,299,785,845,514.99/1,863,784.77 - Step 6: Final answer
x = 2,307,018.45
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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.