Finding the Fourth Proportional to 2,330,590.08, 3,216,520.88 and 1,312,193.28
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Solution
The fourth proportional to 2,330,590.08, 3,216,520.88 and 1,312,193.28 is: 1,810,999.33
Step by Step Solution
- Step 1: Write the proportion equation
2,330,590.08 : 3,216,520.88 = 1,312,193.28 : x - Step 2: Convert to fraction form
2,330,590.08/3,216,520.88 = 1,312,193.28/x - Step 3: Cross multiply
2,330,590.08x = 3,216,520.88 × 1,312,193.28 - Step 4: Simplify right side
2,330,590.08x = 4,220,697,083,715.69 - Step 5: Solve for x
x = 4,220,697,083,715.69/2,330,590.08 - Step 6: Final answer
x = 1,810,999.33
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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.