Finding the Fourth Proportional to 1,879,706.74, 2,593,997.94 and 1,020,267.19
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Solution
The fourth proportional to 1,879,706.74, 2,593,997.94 and 1,020,267.19 is: 1,407,970.15
Step by Step Solution
- Step 1: Write the proportion equation
1,879,706.74 : 2,593,997.94 = 1,020,267.19 : x - Step 2: Convert to fraction form
1,879,706.74/2,593,997.94 = 1,020,267.19/x - Step 3: Cross multiply
1,879,706.74x = 2,593,997.94 × 1,020,267.19 - Step 4: Simplify right side
1,879,706.74x = 2,646,570,989,109.59 - Step 5: Solve for x
x = 2,646,570,989,109.59/1,879,706.74 - Step 6: Final answer
x = 1,407,970.15
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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.