Finding the Fourth Proportional to 2,697,220.05, 4,046,100.68 and 778,178.79
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Solution
The fourth proportional to 2,697,220.05, 4,046,100.68 and 778,178.79 is: 1,167,346.26
Step by Step Solution
- Step 1: Write the proportion equation
2,697,220.05 : 4,046,100.68 = 778,178.79 : x - Step 2: Convert to fraction form
2,697,220.05/4,046,100.68 = 778,178.79/x - Step 3: Cross multiply
2,697,220.05x = 4,046,100.68 × 778,178.79 - Step 4: Simplify right side
2,697,220.05x = 3,148,589,731,380.58 - Step 5: Solve for x
x = 3,148,589,731,380.58/2,697,220.05 - Step 6: Final answer
x = 1,167,346.26
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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.