Finding the Fourth Proportional to 1,587,850.36, 2,191,579.95 and 976,529.05
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Solution
The fourth proportional to 1,587,850.36, 2,191,579.95 and 976,529.05 is: 1,347,823.16
Step by Step Solution
- Step 1: Write the proportion equation
1,587,850.36 : 2,191,579.95 = 976,529.05 : x - Step 2: Convert to fraction form
1,587,850.36/2,191,579.95 = 976,529.05/x - Step 3: Cross multiply
1,587,850.36x = 2,191,579.95 × 976,529.05 - Step 4: Simplify right side
1,587,850.36x = 2,140,141,486,572.55 - Step 5: Solve for x
x = 2,140,141,486,572.55/1,587,850.36 - Step 6: Final answer
x = 1,347,823.16
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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.