Finding the Fourth Proportional to 1,497,649.14, 2,066,756.85 and 818,585.64
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Solution
The fourth proportional to 1,497,649.14, 2,066,756.85 and 818,585.64 is: 1,129,648.75
Step by Step Solution
- Step 1: Write the proportion equation
1,497,649.14 : 2,066,756.85 = 818,585.64 : x - Step 2: Convert to fraction form
1,497,649.14/2,066,756.85 = 818,585.64/x - Step 3: Cross multiply
1,497,649.14x = 2,066,756.85 × 818,585.64 - Step 4: Simplify right side
1,497,649.14x = 1,691,817,478,781.63 - Step 5: Solve for x
x = 1,691,817,478,781.63/1,497,649.14 - Step 6: Final answer
x = 1,129,648.75
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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.