Finding the Fourth Proportional to 1,886,328.75, 2,603,129.36 and 1,026,894.99
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Solution
The fourth proportional to 1,886,328.75, 2,603,129.36 and 1,026,894.99 is: 1,417,112.73
Step by Step Solution
- Step 1: Write the proportion equation
1,886,328.75 : 2,603,129.36 = 1,026,894.99 : x - Step 2: Convert to fraction form
1,886,328.75/2,603,129.36 = 1,026,894.99/x - Step 3: Cross multiply
1,886,328.75x = 2,603,129.36 × 1,026,894.99 - Step 4: Simplify right side
1,886,328.75x = 2,673,140,492,971.43 - Step 5: Solve for x
x = 2,673,140,492,971.43/1,886,328.75 - Step 6: Final answer
x = 1,417,112.73
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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.