Finding the Fourth Proportional to 1,959,486.40, 2,704,386.36 and 1,195,983.64
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Solution
The fourth proportional to 1,959,486.40, 2,704,386.36 and 1,195,983.64 is: 1,650,637.56
Step by Step Solution
- Step 1: Write the proportion equation
1,959,486.40 : 2,704,386.36 = 1,195,983.64 : x - Step 2: Convert to fraction form
1,959,486.40/2,704,386.36 = 1,195,983.64/x - Step 3: Cross multiply
1,959,486.40x = 2,704,386.36 × 1,195,983.64 - Step 4: Simplify right side
1,959,486.40x = 3,234,401,842,799.15 - Step 5: Solve for x
x = 3,234,401,842,799.15/1,959,486.40 - Step 6: Final answer
x = 1,650,637.56
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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.