Finding the Fourth Proportional to 4,845,783.24, 7,268,411.70 and 1,479,727.80
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Solution
The fourth proportional to 4,845,783.24, 7,268,411.70 and 1,479,727.80 is: 2,219,511.34
Step by Step Solution
- Step 1: Write the proportion equation
4,845,783.24 : 7,268,411.70 = 1,479,727.80 : x - Step 2: Convert to fraction form
4,845,783.24/7,268,411.70 = 1,479,727.80/x - Step 3: Cross multiply
4,845,783.24x = 7,268,411.70 × 1,479,727.80 - Step 4: Simplify right side
4,845,783.24x = 10,755,270,854,335.26 - Step 5: Solve for x
x = 10,755,270,854,335.26/4,845,783.24 - Step 6: Final answer
x = 2,219,511.34
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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.