Finding the Fourth Proportional to 1,879,674.40, 2,593,881.17 and 1,020,216.34
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Solution
The fourth proportional to 1,879,674.40, 2,593,881.17 and 1,020,216.34 is: 1,407,860.82
Step by Step Solution
- Step 1: Write the proportion equation
1,879,674.40 : 2,593,881.17 = 1,020,216.34 : x - Step 2: Convert to fraction form
1,879,674.40/2,593,881.17 = 1,020,216.34/x - Step 3: Cross multiply
1,879,674.40x = 2,593,881.17 × 1,020,216.34 - Step 4: Simplify right side
1,879,674.40x = 2,646,319,940,682.91 - Step 5: Solve for x
x = 2,646,319,940,682.91/1,879,674.40 - Step 6: Final answer
x = 1,407,860.82
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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.