Finding the Fourth Proportional to 2,091,880.74, 2,888,176.08 and 1,607,565.54
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Solution
The fourth proportional to 2,091,880.74, 2,888,176.08 and 1,607,565.54 is: 2,219,501.45
Step by Step Solution
- Step 1: Write the proportion equation
2,091,880.74 : 2,888,176.08 = 1,607,565.54 : x - Step 2: Convert to fraction form
2,091,880.74/2,888,176.08 = 1,607,565.54/x - Step 3: Cross multiply
2,091,880.74x = 2,888,176.08 × 1,607,565.54 - Step 4: Simplify right side
2,091,880.74x = 4,642,932,339,660.28 - Step 5: Solve for x
x = 4,642,932,339,660.28/2,091,880.74 - Step 6: Final answer
x = 2,219,501.45
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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.