Finding the Fourth Proportional to 1,879,698.99, 2,593,987.23 and 1,020,259.43
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Solution
The fourth proportional to 1,879,698.99, 2,593,987.23 and 1,020,259.43 is: 1,407,959.43
Step by Step Solution
- Step 1: Write the proportion equation
1,879,698.99 : 2,593,987.23 = 1,020,259.43 : x - Step 2: Convert to fraction form
1,879,698.99/2,593,987.23 = 1,020,259.43/x - Step 3: Cross multiply
1,879,698.99x = 2,593,987.23 × 1,020,259.43 - Step 4: Simplify right side
1,879,698.99x = 2,646,539,919,737.14 - Step 5: Solve for x
x = 2,646,539,919,737.14/1,879,698.99 - Step 6: Final answer
x = 1,407,959.43
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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.