Finding the Fourth Proportional to 1,562,895.26, 2,157,130.44 and 1,018,058.90
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Solution
The fourth proportional to 1,562,895.26, 2,157,130.44 and 1,018,058.90 is: 1,405,139.49
Step by Step Solution
- Step 1: Write the proportion equation
1,562,895.26 : 2,157,130.44 = 1,018,058.90 : x - Step 2: Convert to fraction form
1,562,895.26/2,157,130.44 = 1,018,058.90/x - Step 3: Cross multiply
1,562,895.26x = 2,157,130.44 × 1,018,058.90 - Step 4: Simplify right side
1,562,895.26x = 2,196,085,842,902.92 - Step 5: Solve for x
x = 2,196,085,842,902.92/1,562,895.26 - Step 6: Final answer
x = 1,405,139.49
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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.