Finding the Fourth Proportional to 1,224,431.54, 1,827,387.70 and 1,192,545.08
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Solution
The fourth proportional to 1,224,431.54, 1,827,387.70 and 1,192,545.08 is: 1,779,799.15
Step by Step Solution
- Step 1: Write the proportion equation
1,224,431.54 : 1,827,387.70 = 1,192,545.08 : x - Step 2: Convert to fraction form
1,224,431.54/1,827,387.70 = 1,192,545.08/x - Step 3: Cross multiply
1,224,431.54x = 1,827,387.70 × 1,192,545.08 - Step 4: Simplify right side
1,224,431.54x = 2,179,242,210,887.52 - Step 5: Solve for x
x = 2,179,242,210,887.52/1,224,431.54 - Step 6: Final answer
x = 1,779,799.15
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.