Finding the Fourth Proportional to 1,486,775.13, 2,051,764.07 and 807,716.49
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Solution
The fourth proportional to 1,486,775.13, 2,051,764.07 and 807,716.49 is: 1,114,656.57
Step by Step Solution
- Step 1: Write the proportion equation
1,486,775.13 : 2,051,764.07 = 807,716.49 : x - Step 2: Convert to fraction form
1,486,775.13/2,051,764.07 = 807,716.49/x - Step 3: Cross multiply
1,486,775.13x = 2,051,764.07 × 807,716.49 - Step 4: Simplify right side
1,486,775.13x = 1,657,243,668,889.93 - Step 5: Solve for x
x = 1,657,243,668,889.93/1,486,775.13 - Step 6: Final answer
x = 1,114,656.57
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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.