Finding the Fourth Proportional to 7,574,887.18, 11,363,928.49 and 2,456,919.59
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Solution
The fourth proportional to 7,574,887.18, 11,363,928.49 and 2,456,919.59 is: 3,685,897.61
Step by Step Solution
- Step 1: Write the proportion equation
7,574,887.18 : 11,363,928.49 = 2,456,919.59 : x - Step 2: Convert to fraction form
7,574,887.18/11,363,928.49 = 2,456,919.59/x - Step 3: Cross multiply
7,574,887.18x = 11,363,928.49 × 2,456,919.59 - Step 4: Simplify right side
7,574,887.18x = 27,920,258,554,178.72 - Step 5: Solve for x
x = 27,920,258,554,178.72/7,574,887.18 - Step 6: Final answer
x = 3,685,897.61
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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.