Finding the Fourth Proportional to 3,919,496.68, 5,408,722.62 and 2,177,278.99
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Solution
The fourth proportional to 3,919,496.68, 5,408,722.62 and 2,177,278.99 is: 3,004,543.46
Step by Step Solution
- Step 1: Write the proportion equation
3,919,496.68 : 5,408,722.62 = 2,177,278.99 : x - Step 2: Convert to fraction form
3,919,496.68/5,408,722.62 = 2,177,278.99/x - Step 3: Cross multiply
3,919,496.68x = 5,408,722.62 × 2,177,278.99 - Step 4: Simplify right side
3,919,496.68x = 11,776,298,123,263.76 - Step 5: Solve for x
x = 11,776,298,123,263.76/3,919,496.68 - Step 6: Final answer
x = 3,004,543.46
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.