Finding the Fourth Proportional to 1,879,677.32, 2,593,885.12 and 1,020,219.12
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Solution
The fourth proportional to 1,879,677.32, 2,593,885.12 and 1,020,219.12 is: 1,407,864.62
Step by Step Solution
- Step 1: Write the proportion equation
1,879,677.32 : 2,593,885.12 = 1,020,219.12 : x - Step 2: Convert to fraction form
1,879,677.32/2,593,885.12 = 1,020,219.12/x - Step 3: Cross multiply
1,879,677.32x = 2,593,885.12 × 1,020,219.12 - Step 4: Simplify right side
1,879,677.32x = 2,646,331,194,507.49 - Step 5: Solve for x
x = 2,646,331,194,507.49/1,879,677.32 - Step 6: Final answer
x = 1,407,864.62
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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.