Finding the Fourth Proportional to 1,217,639.58, 1,827,089.37 and 883,438.68
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Solution
The fourth proportional to 1,217,639.58, 1,827,089.37 and 883,438.68 is: 1,325,615.11
Step by Step Solution
- Step 1: Write the proportion equation
1,217,639.58 : 1,827,089.37 = 883,438.68 : x - Step 2: Convert to fraction form
1,217,639.58/1,827,089.37 = 883,438.68/x - Step 3: Cross multiply
1,217,639.58x = 1,827,089.37 × 883,438.68 - Step 4: Simplify right side
1,217,639.58x = 1,614,121,421,274.83 - Step 5: Solve for x
x = 1,614,121,421,274.83/1,217,639.58 - Step 6: Final answer
x = 1,325,615.11
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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.