Finding the Fourth Proportional to 5,423,408.12, 7,484,282.48 and 2,976,060.08
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Solution
The fourth proportional to 5,423,408.12, 7,484,282.48 and 2,976,060.08 is: 4,106,951.54
Step by Step Solution
- Step 1: Write the proportion equation
5,423,408.12 : 7,484,282.48 = 2,976,060.08 : x - Step 2: Convert to fraction form
5,423,408.12/7,484,282.48 = 2,976,060.08/x - Step 3: Cross multiply
5,423,408.12x = 7,484,282.48 × 2,976,060.08 - Step 4: Simplify right side
5,423,408.12x = 22,273,674,316,171.40 - Step 5: Solve for x
x = 22,273,674,316,171.40/5,423,408.12 - Step 6: Final answer
x = 4,106,951.54
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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.