Finding the Fourth Proportional to 1,465,040.55, 2,198,089.35 and 781,208.18
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Solution
The fourth proportional to 1,465,040.55, 2,198,089.35 and 781,208.18 is: 1,172,094.09
Step by Step Solution
- Step 1: Write the proportion equation
1,465,040.55 : 2,198,089.35 = 781,208.18 : x - Step 2: Convert to fraction form
1,465,040.55/2,198,089.35 = 781,208.18/x - Step 3: Cross multiply
1,465,040.55x = 2,198,089.35 × 781,208.18 - Step 4: Simplify right side
1,465,040.55x = 1,717,165,373,812.81 - Step 5: Solve for x
x = 1,717,165,373,812.81/1,465,040.55 - Step 6: Final answer
x = 1,172,094.09
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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.