Finding the Fourth Proportional to 1,676,349.84, 2,313,412.88 and 1,032,141.72
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Solution
The fourth proportional to 1,676,349.84, 2,313,412.88 and 1,032,141.72 is: 1,424,386.42
Step by Step Solution
- Step 1: Write the proportion equation
1,676,349.84 : 2,313,412.88 = 1,032,141.72 : x - Step 2: Convert to fraction form
1,676,349.84/2,313,412.88 = 1,032,141.72/x - Step 3: Cross multiply
1,676,349.84x = 2,313,412.88 × 1,032,141.72 - Step 4: Simplify right side
1,676,349.84x = 2,387,769,943,872.65 - Step 5: Solve for x
x = 2,387,769,943,872.65/1,676,349.84 - Step 6: Final answer
x = 1,424,386.42
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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.