Finding the Fourth Proportional to 1,564,065.32, 2,157,908.51 and 875,635.99
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Solution
The fourth proportional to 1,564,065.32, 2,157,908.51 and 875,635.99 is: 1,208,096.83
Step by Step Solution
- Step 1: Write the proportion equation
1,564,065.32 : 2,157,908.51 = 875,635.99 : x - Step 2: Convert to fraction form
1,564,065.32/2,157,908.51 = 875,635.99/x - Step 3: Cross multiply
1,564,065.32x = 2,157,908.51 × 875,635.99 - Step 4: Simplify right side
1,564,065.32x = 1,889,542,351,277.59 - Step 5: Solve for x
x = 1,889,542,351,277.59/1,564,065.32 - Step 6: Final answer
x = 1,208,096.83
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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.