Finding the Fourth Proportional to 4,288,056.54, 6,423,675.93 and 2,487,156.54
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Solution
The fourth proportional to 4,288,056.54, 6,423,675.93 and 2,487,156.54 is: 3,725,857.50
Step by Step Solution
- Step 1: Write the proportion equation
4,288,056.54 : 6,423,675.93 = 2,487,156.54 : x - Step 2: Convert to fraction form
4,288,056.54/6,423,675.93 = 2,487,156.54/x - Step 3: Cross multiply
4,288,056.54x = 6,423,675.93 × 2,487,156.54 - Step 4: Simplify right side
4,288,056.54x = 15,976,687,600,140.08 - Step 5: Solve for x
x = 15,976,687,600,140.08/4,288,056.54 - Step 6: Final answer
x = 3,725,857.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.