Finding the Fourth Proportional to 4,913,201.16, 7,368,314.58 and 1,717,731.72
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Solution
The fourth proportional to 4,913,201.16, 7,368,314.58 and 1,717,731.72 is: 2,576,077.65
Step by Step Solution
- Step 1: Write the proportion equation
4,913,201.16 : 7,368,314.58 = 1,717,731.72 : x - Step 2: Convert to fraction form
4,913,201.16/7,368,314.58 = 1,717,731.72/x - Step 3: Cross multiply
4,913,201.16x = 7,368,314.58 × 1,717,731.72 - Step 4: Simplify right side
4,913,201.16x = 12,656,787,677,004.48 - Step 5: Solve for x
x = 12,656,787,677,004.48/4,913,201.16 - Step 6: Final answer
x = 2,576,077.65
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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.