Finding the Fourth Proportional to 1,786,639.98, 2,465,576.75 and 970,848.06
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Solution
The fourth proportional to 1,786,639.98, 2,465,576.75 and 970,848.06 is: 1,339,777.70
Step by Step Solution
- Step 1: Write the proportion equation
1,786,639.98 : 2,465,576.75 = 970,848.06 : x - Step 2: Convert to fraction form
1,786,639.98/2,465,576.75 = 970,848.06/x - Step 3: Cross multiply
1,786,639.98x = 2,465,576.75 × 970,848.06 - Step 4: Simplify right side
1,786,639.98x = 2,393,700,399,664.36 - Step 5: Solve for x
x = 2,393,700,399,664.36/1,786,639.98 - Step 6: Final answer
x = 1,339,777.70
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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.