Finding the Fourth Proportional to 4,221,021.58, 6,331,486.50 and 1,026,151.13
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Solution
The fourth proportional to 4,221,021.58, 6,331,486.50 and 1,026,151.13 is: 1,539,215.55
Step by Step Solution
- Step 1: Write the proportion equation
4,221,021.58 : 6,331,486.50 = 1,026,151.13 : x - Step 2: Convert to fraction form
4,221,021.58/6,331,486.50 = 1,026,151.13/x - Step 3: Cross multiply
4,221,021.58x = 6,331,486.50 × 1,026,151.13 - Step 4: Simplify right side
4,221,021.58x = 6,497,062,042,383.46 - Step 5: Solve for x
x = 6,497,062,042,383.46/4,221,021.58 - Step 6: Final answer
x = 1,539,215.55
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1.5x scale
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.