Finding the Fourth Proportional to 4,968,887.58, 6,856,208.79 and 2,793,129.18
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Solution
The fourth proportional to 4,968,887.58, 6,856,208.79 and 2,793,129.18 is: 3,854,037.05
Step by Step Solution
- Step 1: Write the proportion equation
4,968,887.58 : 6,856,208.79 = 2,793,129.18 : x - Step 2: Convert to fraction form
4,968,887.58/6,856,208.79 = 2,793,129.18/x - Step 3: Cross multiply
4,968,887.58x = 6,856,208.79 × 2,793,129.18 - Step 4: Simplify right side
4,968,887.58x = 19,150,276,835,521.49 - Step 5: Solve for x
x = 19,150,276,835,521.49/4,968,887.58 - Step 6: Final answer
x = 3,854,037.05
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.