Finding the Fourth Proportional to 1,681,753.29, 2,321,536.91 and 1,130,788.35
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Solution
The fourth proportional to 1,681,753.29, 2,321,536.91 and 1,130,788.35 is: 1,560,970.27
Step by Step Solution
- Step 1: Write the proportion equation
1,681,753.29 : 2,321,536.91 = 1,130,788.35 : x - Step 2: Convert to fraction form
1,681,753.29/2,321,536.91 = 1,130,788.35/x - Step 3: Cross multiply
1,681,753.29x = 2,321,536.91 × 1,130,788.35 - Step 4: Simplify right side
1,681,753.29x = 2,625,166,892,629.74 - Step 5: Solve for x
x = 2,625,166,892,629.74/1,681,753.29 - Step 6: Final answer
x = 1,560,970.27
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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.