Finding the Fourth Proportional to 5,423,378.42, 7,484,241.65 and 2,976,030.42
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Solution
The fourth proportional to 5,423,378.42, 7,484,241.65 and 2,976,030.42 is: 4,106,910.68
Step by Step Solution
- Step 1: Write the proportion equation
5,423,378.42 : 7,484,241.65 = 2,976,030.42 : x - Step 2: Convert to fraction form
5,423,378.42/7,484,241.65 = 2,976,030.42/x - Step 3: Cross multiply
5,423,378.42x = 7,484,241.65 × 2,976,030.42 - Step 4: Simplify right side
5,423,378.42x = 22,273,330,778,084.93 - Step 5: Solve for x
x = 22,273,330,778,084.93/5,423,378.42 - Step 6: Final answer
x = 4,106,910.68
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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.