Finding the Fourth Proportional to 1,656,182.88, 2,285,622.36 and 921,214.80
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Solution
The fourth proportional to 1,656,182.88, 2,285,622.36 and 921,214.80 is: 1,271,326.48
Step by Step Solution
- Step 1: Write the proportion equation
1,656,182.88 : 2,285,622.36 = 921,214.80 : x - Step 2: Convert to fraction form
1,656,182.88/2,285,622.36 = 921,214.80/x - Step 3: Cross multiply
1,656,182.88x = 2,285,622.36 × 921,214.80 - Step 4: Simplify right side
1,656,182.88x = 2,105,549,145,242.93 - Step 5: Solve for x
x = 2,105,549,145,242.93/1,656,182.88 - Step 6: Final answer
x = 1,271,326.48
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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.