Finding the Fourth Proportional to 1,859,630.81, 2,565,966.20 and 1,043,868.87
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Solution
The fourth proportional to 1,859,630.81, 2,565,966.20 and 1,043,868.87 is: 1,440,356.99
Step by Step Solution
- Step 1: Write the proportion equation
1,859,630.81 : 2,565,966.20 = 1,043,868.87 : x - Step 2: Convert to fraction form
1,859,630.81/2,565,966.20 = 1,043,868.87/x - Step 3: Cross multiply
1,859,630.81x = 2,565,966.20 × 1,043,868.87 - Step 4: Simplify right side
1,859,630.81x = 2,678,532,232,432.85 - Step 5: Solve for x
x = 2,678,532,232,432.85/1,859,630.81 - Step 6: Final answer
x = 1,440,356.99
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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.