Finding the Fourth Proportional to 2,875,438.80, 4,312,419.84 and 853,204.41
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Solution
The fourth proportional to 2,875,438.80, 4,312,419.84 and 853,204.41 is: 1,279,587.53
Step by Step Solution
- Step 1: Write the proportion equation
2,875,438.80 : 4,312,419.84 = 853,204.41 : x - Step 2: Convert to fraction form
2,875,438.80/4,312,419.84 = 853,204.41/x - Step 3: Cross multiply
2,875,438.80x = 4,312,419.84 × 853,204.41 - Step 4: Simplify right side
2,875,438.80x = 3,679,375,625,259.49 - Step 5: Solve for x
x = 3,679,375,625,259.49/2,875,438.80 - Step 6: Final answer
x = 1,279,587.53
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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.