Finding the Fourth Proportional to 5,356,746.66, 7,392,363.71 and 2,909,405.58
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Solution
The fourth proportional to 5,356,746.66, 7,392,363.71 and 2,909,405.58 is: 4,015,008.66
Step by Step Solution
- Step 1: Write the proportion equation
5,356,746.66 : 7,392,363.71 = 2,909,405.58 : x - Step 2: Convert to fraction form
5,356,746.66/7,392,363.71 = 2,909,405.58/x - Step 3: Cross multiply
5,356,746.66x = 7,392,363.71 × 2,909,405.58 - Step 4: Simplify right side
5,356,746.66x = 21,507,384,212,716.48 - Step 5: Solve for x
x = 21,507,384,212,716.48/5,356,746.66 - Step 6: Final answer
x = 4,015,008.66
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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.