Finding the Fourth Proportional to 1,553,908.12, 2,144,557.02 and 909,536.92
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Solution
The fourth proportional to 1,553,908.12, 2,144,557.02 and 909,536.92 is: 1,255,256.83
Step by Step Solution
- Step 1: Write the proportion equation
1,553,908.12 : 2,144,557.02 = 909,536.92 : x - Step 2: Convert to fraction form
1,553,908.12/2,144,557.02 = 909,536.92/x - Step 3: Cross multiply
1,553,908.12x = 2,144,557.02 × 909,536.92 - Step 4: Simplify right side
1,553,908.12x = 1,950,553,786,735.18 - Step 5: Solve for x
x = 1,950,553,786,735.18/1,553,908.12 - Step 6: Final answer
x = 1,255,256.83
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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.