Finding the Fourth Proportional to 1,685,407.68, 2,325,862.62 and 921,461.26
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Solution
The fourth proportional to 1,685,407.68, 2,325,862.62 and 921,461.26 is: 1,271,616.55
Step by Step Solution
- Step 1: Write the proportion equation
1,685,407.68 : 2,325,862.62 = 921,461.26 : x - Step 2: Convert to fraction form
1,685,407.68/2,325,862.62 = 921,461.26/x - Step 3: Cross multiply
1,685,407.68x = 2,325,862.62 × 921,461.26 - Step 4: Simplify right side
1,685,407.68x = 2,143,192,300,412.10 - Step 5: Solve for x
x = 2,143,192,300,412.10/1,685,407.68 - Step 6: Final answer
x = 1,271,616.55
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.