Finding the Fourth Proportional to 1,834,448.60, 2,531,699.49 and 1,018,811.75
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Solution
The fourth proportional to 1,834,448.60, 2,531,699.49 and 1,018,811.75 is: 1,406,049.31
Step by Step Solution
- Step 1: Write the proportion equation
1,834,448.60 : 2,531,699.49 = 1,018,811.75 : x - Step 2: Convert to fraction form
1,834,448.60/2,531,699.49 = 1,018,811.75/x - Step 3: Cross multiply
1,834,448.60x = 2,531,699.49 × 1,018,811.75 - Step 4: Simplify right side
1,834,448.60x = 2,579,325,175,222.51 - Step 5: Solve for x
x = 2,579,325,175,222.51/1,834,448.60 - Step 6: Final answer
x = 1,406,049.31
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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.