Finding the Fourth Proportional to 1,689,126.28, 2,330,967.98 and 963,955.35
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Solution
The fourth proportional to 1,689,126.28, 2,330,967.98 and 963,955.35 is: 1,330,243.39
Step by Step Solution
- Step 1: Write the proportion equation
1,689,126.28 : 2,330,967.98 = 963,955.35 : x - Step 2: Convert to fraction form
1,689,126.28/2,330,967.98 = 963,955.35/x - Step 3: Cross multiply
1,689,126.28x = 2,330,967.98 × 963,955.35 - Step 4: Simplify right side
1,689,126.28x = 2,246,949,057,409.58 - Step 5: Solve for x
x = 2,246,949,057,409.58/1,689,126.28 - Step 6: Final answer
x = 1,330,243.39
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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.