Finding the Fourth Proportional to 2,880,307.08, 4,320,407.16 and 859,920.84
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Solution
The fourth proportional to 2,880,307.08, 4,320,407.16 and 859,920.84 is: 1,289,865.30
Step by Step Solution
- Step 1: Write the proportion equation
2,880,307.08 : 4,320,407.16 = 859,920.84 : x - Step 2: Convert to fraction form
2,880,307.08/4,320,407.16 = 859,920.84/x - Step 3: Cross multiply
2,880,307.08x = 4,320,407.16 × 859,920.84 - Step 4: Simplify right side
2,880,307.08x = 3,715,208,154,169.21 - Step 5: Solve for x
x = 3,715,208,154,169.21/2,880,307.08 - Step 6: Final answer
x = 1,289,865.30
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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.