Finding the Fourth Proportional to 2,405,416.42, 3,318,216.14 and 1,487,352.08
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Solution
The fourth proportional to 2,405,416.42, 3,318,216.14 and 1,487,352.08 is: 2,051,767.68
Step by Step Solution
- Step 1: Write the proportion equation
2,405,416.42 : 3,318,216.14 = 1,487,352.08 : x - Step 2: Convert to fraction form
2,405,416.42/3,318,216.14 = 1,487,352.08/x - Step 3: Cross multiply
2,405,416.42x = 3,318,216.14 × 1,487,352.08 - Step 4: Simplify right side
2,405,416.42x = 4,935,355,677,718.57 - Step 5: Solve for x
x = 4,935,355,677,718.57/2,405,416.42 - Step 6: Final answer
x = 2,051,767.68
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.