Finding the Fourth Proportional to 1,630,737.84, 2,250,342.36 and 905,631.60
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Solution
The fourth proportional to 1,630,737.84, 2,250,342.36 and 905,631.60 is: 1,249,729.48
Step by Step Solution
- Step 1: Write the proportion equation
1,630,737.84 : 2,250,342.36 = 905,631.60 : x - Step 2: Convert to fraction form
1,630,737.84/2,250,342.36 = 905,631.60/x - Step 3: Cross multiply
1,630,737.84x = 2,250,342.36 × 905,631.60 - Step 4: Simplify right side
1,630,737.84x = 2,037,981,152,034.58 - Step 5: Solve for x
x = 2,037,981,152,034.58/1,630,737.84 - Step 6: Final answer
x = 1,249,729.48
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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.