Finding the Fourth Proportional to 1,720,651.25, 2,374,484.33 and 956,698.13
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Solution
The fourth proportional to 1,720,651.25, 2,374,484.33 and 956,698.13 is: 1,320,235.41
Step by Step Solution
- Step 1: Write the proportion equation
1,720,651.25 : 2,374,484.33 = 956,698.13 : x - Step 2: Convert to fraction form
1,720,651.25/2,374,484.33 = 956,698.13/x - Step 3: Cross multiply
1,720,651.25x = 2,374,484.33 × 956,698.13 - Step 4: Simplify right side
1,720,651.25x = 2,271,664,701,569.39 - Step 5: Solve for x
x = 2,271,664,701,569.39/1,720,651.25 - Step 6: Final answer
x = 1,320,235.41
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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.