Finding the Fourth Proportional to 1,437,246, 2,155,243.02 and 412,350.12
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Solution
The fourth proportional to 1,437,246, 2,155,243.02 and 412,350.12 is: 618,345.58
Step by Step Solution
- Step 1: Write the proportion equation
1,437,246 : 2,155,243.02 = 412,350.12 : x - Step 2: Convert to fraction form
1,437,246/2,155,243.02 = 412,350.12/x - Step 3: Cross multiply
1,437,246x = 2,155,243.02 × 412,350.12 - Step 4: Simplify right side
1,437,246x = 888,714,717,926.16 - Step 5: Solve for x
x = 888,714,717,926.16/1,437,246 - Step 6: Final answer
x = 618,345.58
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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.