Finding the Fourth Proportional to 2,087,970.36, 2,881,601.32 and 1,170,355.36
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Solution
The fourth proportional to 2,087,970.36, 2,881,601.32 and 1,170,355.36 is: 1,615,203.75
Step by Step Solution
- Step 1: Write the proportion equation
2,087,970.36 : 2,881,601.32 = 1,170,355.36 : x - Step 2: Convert to fraction form
2,087,970.36/2,881,601.32 = 1,170,355.36/x - Step 3: Cross multiply
2,087,970.36x = 2,881,601.32 × 1,170,355.36 - Step 4: Simplify right side
2,087,970.36x = 3,372,497,550,245.08 - Step 5: Solve for x
x = 3,372,497,550,245.08/2,087,970.36 - Step 6: Final answer
x = 1,615,203.75
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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.