Finding the Fourth Proportional to 1,681,645.80, 2,518,782.30 and 1,460,461.80
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Solution
The fourth proportional to 1,681,645.80, 2,518,782.30 and 1,460,461.80 is: 2,187,491.17
Step by Step Solution
- Step 1: Write the proportion equation
1,681,645.80 : 2,518,782.30 = 1,460,461.80 : x - Step 2: Convert to fraction form
1,681,645.80/2,518,782.30 = 1,460,461.80/x - Step 3: Cross multiply
1,681,645.80x = 2,518,782.30 × 1,460,461.80 - Step 4: Simplify right side
1,681,645.80x = 3,678,585,331,666.14 - Step 5: Solve for x
x = 3,678,585,331,666.14/1,681,645.80 - Step 6: Final answer
x = 2,187,491.17
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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.