Finding the Fourth Proportional to 1,561,210.79, 2,340,221.07 and 885,865.46
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Solution
The fourth proportional to 1,561,210.79, 2,340,221.07 and 885,865.46 is: 1,327,893.09
Step by Step Solution
- Step 1: Write the proportion equation
1,561,210.79 : 2,340,221.07 = 885,865.46 : x - Step 2: Convert to fraction form
1,561,210.79/2,340,221.07 = 885,865.46/x - Step 3: Cross multiply
1,561,210.79x = 2,340,221.07 × 885,865.46 - Step 4: Simplify right side
1,561,210.79x = 2,073,121,014,677.24 - Step 5: Solve for x
x = 2,073,121,014,677.24/1,561,210.79 - Step 6: Final answer
x = 1,327,893.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.