Finding the Fourth Proportional to 1,836,354.65, 2,534,108.76 and 1,009,430.99
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Solution
The fourth proportional to 1,836,354.65, 2,534,108.76 and 1,009,430.99 is: 1,392,981.42
Step by Step Solution
- Step 1: Write the proportion equation
1,836,354.65 : 2,534,108.76 = 1,009,430.99 : x - Step 2: Convert to fraction form
1,836,354.65/2,534,108.76 = 1,009,430.99/x - Step 3: Cross multiply
1,836,354.65x = 2,534,108.76 × 1,009,430.99 - Step 4: Simplify right side
1,836,354.65x = 2,558,007,901,703.93 - Step 5: Solve for x
x = 2,558,007,901,703.93/1,836,354.65 - Step 6: Final answer
x = 1,392,981.42
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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.