Finding the Fourth Proportional to 2,038,878.65, 2,813,662.69 and 1,121,166.97
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Solution
The fourth proportional to 2,038,878.65, 2,813,662.69 and 1,121,166.97 is: 1,547,216.01
Step by Step Solution
- Step 1: Write the proportion equation
2,038,878.65 : 2,813,662.69 = 1,121,166.97 : x - Step 2: Convert to fraction form
2,038,878.65/2,813,662.69 = 1,121,166.97/x - Step 3: Cross multiply
2,038,878.65x = 2,813,662.69 × 1,121,166.97 - Step 4: Simplify right side
2,038,878.65x = 3,154,585,685,045.69 - Step 5: Solve for x
x = 3,154,585,685,045.69/2,038,878.65 - Step 6: Final answer
x = 1,547,216.01
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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.