Finding the Fourth Proportional to 1,850,617.79, 2,554,495.68 and 1,271,757.70
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Solution
The fourth proportional to 1,850,617.79, 2,554,495.68 and 1,271,757.70 is: 1,755,467.59
Step by Step Solution
- Step 1: Write the proportion equation
1,850,617.79 : 2,554,495.68 = 1,271,757.70 : x - Step 2: Convert to fraction form
1,850,617.79/2,554,495.68 = 1,271,757.70/x - Step 3: Cross multiply
1,850,617.79x = 2,554,495.68 × 1,271,757.70 - Step 4: Simplify right side
1,850,617.79x = 3,248,699,550,656.74 - Step 5: Solve for x
x = 3,248,699,550,656.74/1,850,617.79 - Step 6: Final answer
x = 1,755,467.59
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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.