Finding the Fourth Proportional to 1,563,703.77, 2,157,894.70 and 875,381.30
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Solution
The fourth proportional to 1,563,703.77, 2,157,894.70 and 875,381.30 is: 1,208,016.96
Step by Step Solution
- Step 1: Write the proportion equation
1,563,703.77 : 2,157,894.70 = 875,381.30 : x - Step 2: Convert to fraction form
1,563,703.77/2,157,894.70 = 875,381.30/x - Step 3: Cross multiply
1,563,703.77x = 2,157,894.70 × 875,381.30 - Step 4: Simplify right side
1,563,703.77x = 1,888,980,667,749.11 - Step 5: Solve for x
x = 1,888,980,667,749.11/1,563,703.77 - Step 6: Final answer
x = 1,208,016.96
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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.