Finding the Fourth Proportional to 1,681,250.72, 2,320,982.16 and 1,298,418.08
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Solution
The fourth proportional to 1,681,250.72, 2,320,982.16 and 1,298,418.08 is: 1,792,478.16
Step by Step Solution
- Step 1: Write the proportion equation
1,681,250.72 : 2,320,982.16 = 1,298,418.08 : x - Step 2: Convert to fraction form
1,681,250.72/2,320,982.16 = 1,298,418.08/x - Step 3: Cross multiply
1,681,250.72x = 2,320,982.16 × 1,298,418.08 - Step 4: Simplify right side
1,681,250.72x = 3,013,605,199,901.45 - Step 5: Solve for x
x = 3,013,605,199,901.45/1,681,250.72 - Step 6: Final answer
x = 1,792,478.16
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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.