Finding the Fourth Proportional to 1,656,713.43, 2,485,112.43 and 458,646.08
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Solution
The fourth proportional to 1,656,713.43, 2,485,112.43 and 458,646.08 is: 687,980.82
Step by Step Solution
- Step 1: Write the proportion equation
1,656,713.43 : 2,485,112.43 = 458,646.08 : x - Step 2: Convert to fraction form
1,656,713.43/2,485,112.43 = 458,646.08/x - Step 3: Cross multiply
1,656,713.43x = 2,485,112.43 × 458,646.08 - Step 4: Simplify right side
1,656,713.43x = 1,139,787,061,953.21 - Step 5: Solve for x
x = 1,139,787,061,953.21/1,656,713.43 - Step 6: Final answer
x = 687,980.82
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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.