Finding the Fourth Proportional to 1,618,823.07, 2,233,979.15 and 893,671.79
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Solution
The fourth proportional to 1,618,823.07, 2,233,979.15 and 893,671.79 is: 1,233,268.89
Step by Step Solution
- Step 1: Write the proportion equation
1,618,823.07 : 2,233,979.15 = 893,671.79 : x - Step 2: Convert to fraction form
1,618,823.07/2,233,979.15 = 893,671.79/x - Step 3: Cross multiply
1,618,823.07x = 2,233,979.15 × 893,671.79 - Step 4: Simplify right side
1,618,823.07x = 1,996,444,130,164.92 - Step 5: Solve for x
x = 1,996,444,130,164.92/1,618,823.07 - Step 6: Final answer
x = 1,233,268.89
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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.