Finding the Fourth Proportional to 1,875,265.20, 2,587,878.36 and 1,015,825.44
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Solution
The fourth proportional to 1,875,265.20, 2,587,878.36 and 1,015,825.44 is: 1,401,845.82
Step by Step Solution
- Step 1: Write the proportion equation
1,875,265.20 : 2,587,878.36 = 1,015,825.44 : x - Step 2: Convert to fraction form
1,875,265.20/2,587,878.36 = 1,015,825.44/x - Step 3: Cross multiply
1,875,265.20x = 2,587,878.36 × 1,015,825.44 - Step 4: Simplify right side
1,875,265.20x = 2,628,832,673,713.48 - Step 5: Solve for x
x = 2,628,832,673,713.48/1,875,265.20 - Step 6: Final answer
x = 1,401,845.82
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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.