Finding the Fourth Proportional to 1,532,876.61, 2,115,370.35 and 888,670.29
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Solution
The fourth proportional to 1,532,876.61, 2,115,370.35 and 888,670.29 is: 1,226,365.36
Step by Step Solution
- Step 1: Write the proportion equation
1,532,876.61 : 2,115,370.35 = 888,670.29 : x - Step 2: Convert to fraction form
1,532,876.61/2,115,370.35 = 888,670.29/x - Step 3: Cross multiply
1,532,876.61x = 2,115,370.35 × 888,670.29 - Step 4: Simplify right side
1,532,876.61x = 1,879,866,782,391.90 - Step 5: Solve for x
x = 1,879,866,782,391.90/1,532,876.61 - Step 6: Final answer
x = 1,226,365.36
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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.