Finding the Fourth Proportional to 2,502,397.64, 3,735,283.42 and 2,149,678.28
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Solution
The fourth proportional to 2,502,397.64, 3,735,283.42 and 2,149,678.28 is: 3,208,785.65
Step by Step Solution
- Step 1: Write the proportion equation
2,502,397.64 : 3,735,283.42 = 2,149,678.28 : x - Step 2: Convert to fraction form
2,502,397.64/3,735,283.42 = 2,149,678.28/x - Step 3: Cross multiply
2,502,397.64x = 3,735,283.42 × 2,149,678.28 - Step 4: Simplify right side
2,502,397.64x = 8,029,657,637,618.12 - Step 5: Solve for x
x = 8,029,657,637,618.12/2,502,397.64 - Step 6: Final answer
x = 3,208,785.65
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.