Finding the Fourth Proportional to 2,878,040.23, 4,316,666.65 and 856,596.13
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Solution
The fourth proportional to 2,878,040.23, 4,316,666.65 and 856,596.13 is: 1,284,777.02
Step by Step Solution
- Step 1: Write the proportion equation
2,878,040.23 : 4,316,666.65 = 856,596.13 : x - Step 2: Convert to fraction form
2,878,040.23/4,316,666.65 = 856,596.13/x - Step 3: Cross multiply
2,878,040.23x = 4,316,666.65 × 856,596.13 - Step 4: Simplify right side
2,878,040.23x = 3,697,639,933,956.91 - Step 5: Solve for x
x = 3,697,639,933,956.91/2,878,040.23 - Step 6: Final answer
x = 1,284,777.02
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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.