Finding the Fourth Proportional to 1,344,129.16, 1,853,652.30 and 980,977.80
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Solution
The fourth proportional to 1,344,129.16, 1,853,652.30 and 980,977.80 is: 1,352,840.05
Step by Step Solution
- Step 1: Write the proportion equation
1,344,129.16 : 1,853,652.30 = 980,977.80 : x - Step 2: Convert to fraction form
1,344,129.16/1,853,652.30 = 980,977.80/x - Step 3: Cross multiply
1,344,129.16x = 1,853,652.30 × 980,977.80 - Step 4: Simplify right side
1,344,129.16x = 1,818,391,755,218.94 - Step 5: Solve for x
x = 1,818,391,755,218.94/1,344,129.16 - Step 6: Final answer
x = 1,352,840.05
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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.