Finding the Fourth Proportional to 1,115,901.77, 1,539,959.78 and 606,615.08
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Solution
The fourth proportional to 1,115,901.77, 1,539,959.78 and 606,615.08 is: 837,137.15
Step by Step Solution
- Step 1: Write the proportion equation
1,115,901.77 : 1,539,959.78 = 606,615.08 : x - Step 2: Convert to fraction form
1,115,901.77/1,539,959.78 = 606,615.08/x - Step 3: Cross multiply
1,115,901.77x = 1,539,959.78 × 606,615.08 - Step 4: Simplify right side
1,115,901.77x = 934,162,818,958.22 - Step 5: Solve for x
x = 934,162,818,958.22/1,115,901.77 - Step 6: Final answer
x = 837,137.15
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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.