Finding the Fourth Proportional to 1,875,215.63, 2,587,809.98 and 1,015,775.87
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Solution
The fourth proportional to 1,875,215.63, 2,587,809.98 and 1,015,775.87 is: 1,401,777.42
Step by Step Solution
- Step 1: Write the proportion equation
1,875,215.63 : 2,587,809.98 = 1,015,775.87 : x - Step 2: Convert to fraction form
1,875,215.63/2,587,809.98 = 1,015,775.87/x - Step 3: Cross multiply
1,875,215.63x = 2,587,809.98 × 1,015,775.87 - Step 4: Simplify right side
1,875,215.63x = 2,628,634,923,429.57 - Step 5: Solve for x
x = 2,628,634,923,429.57/1,875,215.63 - Step 6: Final answer
x = 1,401,777.42
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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.