Finding the Fourth Proportional to 2,415,039.99, 3,331,423.93 and 1,961,543.67
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Solution
The fourth proportional to 2,415,039.99, 3,331,423.93 and 1,961,543.67 is: 2,705,848.99
Step by Step Solution
- Step 1: Write the proportion equation
2,415,039.99 : 3,331,423.93 = 1,961,543.67 : x - Step 2: Convert to fraction form
2,415,039.99/3,331,423.93 = 1,961,543.67/x - Step 3: Cross multiply
2,415,039.99x = 3,331,423.93 × 1,961,543.67 - Step 4: Simplify right side
2,415,039.99x = 6,534,733,521,978.02 - Step 5: Solve for x
x = 6,534,733,521,978.02/2,415,039.99 - Step 6: Final answer
x = 2,705,848.99
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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.