Finding the Fourth Proportional to 5,419,312.64, 8,128,970.88 and 2,008,771.84
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Solution
The fourth proportional to 5,419,312.64, 8,128,970.88 and 2,008,771.84 is: 3,013,158.47
Step by Step Solution
- Step 1: Write the proportion equation
5,419,312.64 : 8,128,970.88 = 2,008,771.84 : x - Step 2: Convert to fraction form
5,419,312.64/8,128,970.88 = 2,008,771.84/x - Step 3: Cross multiply
5,419,312.64x = 8,128,970.88 × 2,008,771.84 - Step 4: Simplify right side
5,419,312.64x = 16,329,247,791,924.02 - Step 5: Solve for x
x = 16,329,247,791,924.02/5,419,312.64 - Step 6: Final answer
x = 3,013,158.47
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.