Finding the Fourth Proportional to 1,283,991.40, 1,924,143.90 and 944,381.80
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Solution
The fourth proportional to 1,283,991.40, 1,924,143.90 and 944,381.80 is: 1,415,217.02
Step by Step Solution
- Step 1: Write the proportion equation
1,283,991.40 : 1,924,143.90 = 944,381.80 : x - Step 2: Convert to fraction form
1,283,991.40/1,924,143.90 = 944,381.80/x - Step 3: Cross multiply
1,283,991.40x = 1,924,143.90 × 944,381.80 - Step 4: Simplify right side
1,283,991.40x = 1,817,126,479,741.02 - Step 5: Solve for x
x = 1,817,126,479,741.02/1,283,991.40 - Step 6: Final answer
x = 1,415,217.02
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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.