Finding the Fourth Proportional to 3,860,710.62, 5,787,490.12 and 1,430,509.81
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Solution
The fourth proportional to 3,860,710.62, 5,787,490.12 and 1,430,509.81 is: 2,144,439.77
Step by Step Solution
- Step 1: Write the proportion equation
3,860,710.62 : 5,787,490.12 = 1,430,509.81 : x - Step 2: Convert to fraction form
3,860,710.62/5,787,490.12 = 1,430,509.81/x - Step 3: Cross multiply
3,860,710.62x = 5,787,490.12 × 1,430,509.81 - Step 4: Simplify right side
3,860,710.62x = 8,279,061,384,785.53 - Step 5: Solve for x
x = 8,279,061,384,785.53/3,860,710.62 - Step 6: Final answer
x = 2,144,439.77
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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.