Finding the Fourth Proportional to 2,455,070.42, 3,680,243.66 and 1,257,556.70
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Solution
The fourth proportional to 2,455,070.42, 3,680,243.66 and 1,257,556.70 is: 1,885,125.18
Step by Step Solution
- Step 1: Write the proportion equation
2,455,070.42 : 3,680,243.66 = 1,257,556.70 : x - Step 2: Convert to fraction form
2,455,070.42/3,680,243.66 = 1,257,556.70/x - Step 3: Cross multiply
2,455,070.42x = 3,680,243.66 × 1,257,556.70 - Step 4: Simplify right side
2,455,070.42x = 4,628,115,047,576.52 - Step 5: Solve for x
x = 4,628,115,047,576.52/2,455,070.42 - Step 6: Final answer
x = 1,885,125.18
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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.