Finding the Fourth Proportional to 1,879,705.74, 2,593,996.56 and 1,020,266.19
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Solution
The fourth proportional to 1,879,705.74, 2,593,996.56 and 1,020,266.19 is: 1,407,968.77
Step by Step Solution
- Step 1: Write the proportion equation
1,879,705.74 : 2,593,996.56 = 1,020,266.19 : x - Step 2: Convert to fraction form
1,879,705.74/2,593,996.56 = 1,020,266.19/x - Step 3: Cross multiply
1,879,705.74x = 2,593,996.56 × 1,020,266.19 - Step 4: Simplify right side
1,879,705.74x = 2,646,566,987,144.31 - Step 5: Solve for x
x = 2,646,566,987,144.31/1,879,705.74 - Step 6: Final answer
x = 1,407,968.77
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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.