Finding the Fourth Proportional to 5,423,938, 7,484,489.31 and 3,248,425.42
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Solution
The fourth proportional to 5,423,938, 7,484,489.31 and 3,248,425.42 is: 4,482,500.60
Step by Step Solution
- Step 1: Write the proportion equation
5,423,938 : 7,484,489.31 = 3,248,425.42 : x - Step 2: Convert to fraction form
5,423,938/7,484,489.31 = 3,248,425.42/x - Step 3: Cross multiply
5,423,938x = 7,484,489.31 × 3,248,425.42 - Step 4: Simplify right side
5,423,938x = 24,312,805,330,322.26 - Step 5: Solve for x
x = 24,312,805,330,322.26/5,423,938 - Step 6: Final answer
x = 4,482,500.60
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1.5x scale
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.