Finding the Fourth Proportional to 1,693,579.74, 2,337,142.61 and 919,210.87
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Solution
The fourth proportional to 1,693,579.74, 2,337,142.61 and 919,210.87 is: 1,268,512.39
Step by Step Solution
- Step 1: Write the proportion equation
1,693,579.74 : 2,337,142.61 = 919,210.87 : x - Step 2: Convert to fraction form
1,693,579.74/2,337,142.61 = 919,210.87/x - Step 3: Cross multiply
1,693,579.74x = 2,337,142.61 × 919,210.87 - Step 4: Simplify right side
1,693,579.74x = 2,148,326,883,925.20 - Step 5: Solve for x
x = 2,148,326,883,925.20/1,693,579.74 - Step 6: Final answer
x = 1,268,512.39
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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.