Finding the Fourth Proportional to 5,627,320.56, 8,432,129.16 and 4,351,045.68
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Solution
The fourth proportional to 5,627,320.56, 8,432,129.16 and 4,351,045.68 is: 6,519,724.40
Step by Step Solution
- Step 1: Write the proportion equation
5,627,320.56 : 8,432,129.16 = 4,351,045.68 : x - Step 2: Convert to fraction form
5,627,320.56/8,432,129.16 = 4,351,045.68/x - Step 3: Cross multiply
5,627,320.56x = 8,432,129.16 × 4,351,045.68 - Step 4: Simplify right side
5,627,320.56x = 36,688,579,154,820.02 - Step 5: Solve for x
x = 36,688,579,154,820.02/5,627,320.56 - Step 6: Final answer
x = 6,519,724.40
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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.