Finding the Fourth Proportional to 2,177,948.47, 3,005,571.36 and 1,211,058
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Solution
The fourth proportional to 2,177,948.47, 3,005,571.36 and 1,211,058 is: 1,671,261.42
Step by Step Solution
- Step 1: Write the proportion equation
2,177,948.47 : 3,005,571.36 = 1,211,058 : x - Step 2: Convert to fraction form
2,177,948.47/3,005,571.36 = 1,211,058/x - Step 3: Cross multiply
2,177,948.47x = 3,005,571.36 × 1,211,058 - Step 4: Simplify right side
2,177,948.47x = 3,639,921,240,098.88 - Step 5: Solve for x
x = 3,639,921,240,098.88/2,177,948.47 - Step 6: Final answer
x = 1,671,261.42
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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.