Finding the Fourth Proportional to 1,918,025.84, 2,646,862.60 and 1,058,586.06
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Solution
The fourth proportional to 1,918,025.84, 2,646,862.60 and 1,058,586.06 is: 1,460,841.56
Step by Step Solution
- Step 1: Write the proportion equation
1,918,025.84 : 2,646,862.60 = 1,058,586.06 : x - Step 2: Convert to fraction form
1,918,025.84/2,646,862.60 = 1,058,586.06/x - Step 3: Cross multiply
1,918,025.84x = 2,646,862.60 × 1,058,586.06 - Step 4: Simplify right side
1,918,025.84x = 2,801,931,851,095.36 - Step 5: Solve for x
x = 2,801,931,851,095.36/1,918,025.84 - Step 6: Final answer
x = 1,460,841.56
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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.