Finding the Fourth Proportional to 1,699,106.15, 2,548,656.12 and 501,869.21
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Solution
The fourth proportional to 1,699,106.15, 2,548,656.12 and 501,869.21 is: 752,802.90
Step by Step Solution
- Step 1: Write the proportion equation
1,699,106.15 : 2,548,656.12 = 501,869.21 : x - Step 2: Convert to fraction form
1,699,106.15/2,548,656.12 = 501,869.21/x - Step 3: Cross multiply
1,699,106.15x = 2,548,656.12 × 501,869.21 - Step 4: Simplify right side
1,699,106.15x = 1,279,092,033,506.07 - Step 5: Solve for x
x = 1,279,092,033,506.07/1,699,106.15 - Step 6: Final answer
x = 752,802.90
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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.