Finding the Fourth Proportional to 2,877,739.80, 3,971,281.64 and 1,588,581.08
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Solution
The fourth proportional to 2,877,739.80, 3,971,281.64 and 1,588,581.08 is: 2,192,242.29
Step by Step Solution
- Step 1: Write the proportion equation
2,877,739.80 : 3,971,281.64 = 1,588,581.08 : x - Step 2: Convert to fraction form
2,877,739.80/3,971,281.64 = 1,588,581.08/x - Step 3: Cross multiply
2,877,739.80x = 3,971,281.64 × 1,588,581.08 - Step 4: Simplify right side
2,877,739.80x = 6,308,702,876,655.37 - Step 5: Solve for x
x = 6,308,702,876,655.37/2,877,739.80 - Step 6: Final answer
x = 2,192,242.29
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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.