Finding the Fourth Proportional to 1,903,088.48, 2,626,020.14 and 1,087,344.99
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Solution
The fourth proportional to 1,903,088.48, 2,626,020.14 and 1,087,344.99 is: 1,500,397.84
Step by Step Solution
- Step 1: Write the proportion equation
1,903,088.48 : 2,626,020.14 = 1,087,344.99 : x - Step 2: Convert to fraction form
1,903,088.48/2,626,020.14 = 1,087,344.99/x - Step 3: Cross multiply
1,903,088.48x = 2,626,020.14 × 1,087,344.99 - Step 4: Simplify right side
1,903,088.48x = 2,855,389,837,431.37 - Step 5: Solve for x
x = 2,855,389,837,431.37/1,903,088.48 - Step 6: Final answer
x = 1,500,397.84
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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.