Finding the Fourth Proportional to 1,625,824.13, 2,243,473.81 and 900,536.36
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Solution
The fourth proportional to 1,625,824.13, 2,243,473.81 and 900,536.36 is: 1,242,649.62
Step by Step Solution
- Step 1: Write the proportion equation
1,625,824.13 : 2,243,473.81 = 900,536.36 : x - Step 2: Convert to fraction form
1,625,824.13/2,243,473.81 = 900,536.36/x - Step 3: Cross multiply
1,625,824.13x = 2,243,473.81 × 900,536.36 - Step 4: Simplify right side
1,625,824.13x = 2,020,329,725,144.02 - Step 5: Solve for x
x = 2,020,329,725,144.02/1,625,824.13 - Step 6: Final answer
x = 1,242,649.62
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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.