Finding the Fourth Proportional to 5,199,797.03, 7,802,415.36 and 2,128,068.05
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Solution
The fourth proportional to 5,199,797.03, 7,802,415.36 and 2,128,068.05 is: 3,193,215.18
Step by Step Solution
- Step 1: Write the proportion equation
5,199,797.03 : 7,802,415.36 = 2,128,068.05 : x - Step 2: Convert to fraction form
5,199,797.03/7,802,415.36 = 2,128,068.05/x - Step 3: Cross multiply
5,199,797.03x = 7,802,415.36 × 2,128,068.05 - Step 4: Simplify right side
5,199,797.03x = 16,604,070,801,433.17 - Step 5: Solve for x
x = 16,604,070,801,433.17/5,199,797.03 - Step 6: Final answer
x = 3,193,215.18
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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.