Finding the Fourth Proportional to 1,590,738.99, 2,386,108.50 and 1,309,665.75
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Solution
The fourth proportional to 1,590,738.99, 2,386,108.50 and 1,309,665.75 is: 1,964,498.64
Step by Step Solution
- Step 1: Write the proportion equation
1,590,738.99 : 2,386,108.50 = 1,309,665.75 : x - Step 2: Convert to fraction form
1,590,738.99/2,386,108.50 = 1,309,665.75/x - Step 3: Cross multiply
1,590,738.99x = 2,386,108.50 × 1,309,665.75 - Step 4: Simplify right side
1,590,738.99x = 3,125,004,578,233.88 - Step 5: Solve for x
x = 3,125,004,578,233.88/1,590,738.99 - Step 6: Final answer
x = 1,964,498.64
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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.