Finding the Fourth Proportional to 3,860,710.12, 5,787,489.37 and 1,430,509.31
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Solution
The fourth proportional to 3,860,710.12, 5,787,489.37 and 1,430,509.31 is: 2,144,439.02
Step by Step Solution
- Step 1: Write the proportion equation
3,860,710.12 : 5,787,489.37 = 1,430,509.31 : x - Step 2: Convert to fraction form
3,860,710.12/5,787,489.37 = 1,430,509.31/x - Step 3: Cross multiply
3,860,710.12x = 5,787,489.37 × 1,430,509.31 - Step 4: Simplify right side
3,860,710.12x = 8,279,057,423,321.04 - Step 5: Solve for x
x = 8,279,057,423,321.04/3,860,710.12 - Step 6: Final answer
x = 2,144,439.02
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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.