Finding the Fourth Proportional to 2,119,790.54, 2,925,347.97 and 1,152,927.36
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Solution
The fourth proportional to 2,119,790.54, 2,925,347.97 and 1,152,927.36 is: 1,591,059.89
Step by Step Solution
- Step 1: Write the proportion equation
2,119,790.54 : 2,925,347.97 = 1,152,927.36 : x - Step 2: Convert to fraction form
2,119,790.54/2,925,347.97 = 1,152,927.36/x - Step 3: Cross multiply
2,119,790.54x = 2,925,347.97 × 1,152,927.36 - Step 4: Simplify right side
2,119,790.54x = 3,372,713,712,133.46 - Step 5: Solve for x
x = 3,372,713,712,133.46/2,119,790.54 - Step 6: Final answer
x = 1,591,059.89
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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.