Finding the Fourth Proportional to 4,650,623.55, 6,418,220.00 and 2,790,108.76
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Solution
The fourth proportional to 4,650,623.55, 6,418,220.00 and 2,790,108.76 is: 3,850,565.77
Step by Step Solution
- Step 1: Write the proportion equation
4,650,623.55 : 6,418,220.00 = 2,790,108.76 : x - Step 2: Convert to fraction form
4,650,623.55/6,418,220.00 = 2,790,108.76/x - Step 3: Cross multiply
4,650,623.55x = 6,418,220.00 × 2,790,108.76 - Step 4: Simplify right side
4,650,623.55x = 17,907,531,849,619.96 - Step 5: Solve for x
x = 17,907,531,849,619.96/4,650,623.55 - Step 6: Final answer
x = 3,850,565.77
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1.5x scale
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.