Finding the Fourth Proportional to 2,119,348.48, 2,925,784.08 and 1,634,825.92
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Solution
The fourth proportional to 2,119,348.48, 2,925,784.08 and 1,634,825.92 is: 2,256,895.31
Step by Step Solution
- Step 1: Write the proportion equation
2,119,348.48 : 2,925,784.08 = 1,634,825.92 : x - Step 2: Convert to fraction form
2,119,348.48/2,925,784.08 = 1,634,825.92/x - Step 3: Cross multiply
2,119,348.48x = 2,925,784.08 × 1,634,825.92 - Step 4: Simplify right side
2,119,348.48x = 4,783,147,650,307.35 - Step 5: Solve for x
x = 4,783,147,650,307.35/2,119,348.48 - Step 6: Final answer
x = 2,256,895.31
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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.