Finding the Fourth Proportional to 4,720,240.08, 7,078,894.20 and 1,687,185.36
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Solution
The fourth proportional to 4,720,240.08, 7,078,894.20 and 1,687,185.36 is: 2,530,254.07
Step by Step Solution
- Step 1: Write the proportion equation
4,720,240.08 : 7,078,894.20 = 1,687,185.36 : x - Step 2: Convert to fraction form
4,720,240.08/7,078,894.20 = 1,687,185.36/x - Step 3: Cross multiply
4,720,240.08x = 7,078,894.20 × 1,687,185.36 - Step 4: Simplify right side
4,720,240.08x = 11,943,406,659,228.91 - Step 5: Solve for x
x = 11,943,406,659,228.91/4,720,240.08 - Step 6: Final answer
x = 2,530,254.07
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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.