Finding the Fourth Proportional to 1,891,770.80, 2,610,699.18 and 1,032,386.54
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Solution
The fourth proportional to 1,891,770.80, 2,610,699.18 and 1,032,386.54 is: 1,424,723.70
Step by Step Solution
- Step 1: Write the proportion equation
1,891,770.80 : 2,610,699.18 = 1,032,386.54 : x - Step 2: Convert to fraction form
1,891,770.80/2,610,699.18 = 1,032,386.54/x - Step 3: Cross multiply
1,891,770.80x = 2,610,699.18 × 1,032,386.54 - Step 4: Simplify right side
1,891,770.80x = 2,695,250,693,421.04 - Step 5: Solve for x
x = 2,695,250,693,421.04/1,891,770.80 - Step 6: Final answer
x = 1,424,723.70
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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.