Finding the Fourth Proportional to 4,134,998.40, 6,204,340.80 and 1,889,980.80
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Solution
The fourth proportional to 4,134,998.40, 6,204,340.80 and 1,889,980.80 is: 2,835,813.67
Step by Step Solution
- Step 1: Write the proportion equation
4,134,998.40 : 6,204,340.80 = 1,889,980.80 : x - Step 2: Convert to fraction form
4,134,998.40/6,204,340.80 = 1,889,980.80/x - Step 3: Cross multiply
4,134,998.40x = 6,204,340.80 × 1,889,980.80 - Step 4: Simplify right side
4,134,998.40x = 11,726,084,988,656.64 - Step 5: Solve for x
x = 11,726,084,988,656.64/4,134,998.40 - Step 6: Final answer
x = 2,835,813.67
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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.