Finding the Fourth Proportional to 1,661,337.13, 2,292,646.16 and 897,390.70
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Solution
The fourth proportional to 1,661,337.13, 2,292,646.16 and 897,390.70 is: 1,238,399.66
Step by Step Solution
- Step 1: Write the proportion equation
1,661,337.13 : 2,292,646.16 = 897,390.70 : x - Step 2: Convert to fraction form
1,661,337.13/2,292,646.16 = 897,390.70/x - Step 3: Cross multiply
1,661,337.13x = 2,292,646.16 × 897,390.70 - Step 4: Simplify right side
1,661,337.13x = 2,057,399,326,424.53 - Step 5: Solve for x
x = 2,057,399,326,424.53/1,661,337.13 - Step 6: Final answer
x = 1,238,399.66
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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.