Finding the Fourth Proportional to 1,484,051.60, 2,227,306.20 and 686,560.40
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Solution
The fourth proportional to 1,484,051.60, 2,227,306.20 and 686,560.40 is: 1,030,409.07
Step by Step Solution
- Step 1: Write the proportion equation
1,484,051.60 : 2,227,306.20 = 686,560.40 : x - Step 2: Convert to fraction form
1,484,051.60/2,227,306.20 = 686,560.40/x - Step 3: Cross multiply
1,484,051.60x = 2,227,306.20 × 686,560.40 - Step 4: Simplify right side
1,484,051.60x = 1,529,180,235,594.48 - Step 5: Solve for x
x = 1,529,180,235,594.48/1,484,051.60 - Step 6: Final answer
x = 1,030,409.07
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.