Finding the Fourth Proportional to 1,918,151.29, 2,646,860.19 and 1,058,656.14
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Solution
The fourth proportional to 1,918,151.29, 2,646,860.19 and 1,058,656.14 is: 1,460,841.39
Step by Step Solution
- Step 1: Write the proportion equation
1,918,151.29 : 2,646,860.19 = 1,058,656.14 : x - Step 2: Convert to fraction form
1,918,151.29/2,646,860.19 = 1,058,656.14/x - Step 3: Cross multiply
1,918,151.29x = 2,646,860.19 × 1,058,656.14 - Step 4: Simplify right side
1,918,151.29x = 2,802,114,791,865.07 - Step 5: Solve for x
x = 2,802,114,791,865.07/1,918,151.29 - Step 6: Final answer
x = 1,460,841.39
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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.