Finding the Fourth Proportional to 1,561,410.24, 2,154,718.12 and 882,332.16
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Solution
The fourth proportional to 1,561,410.24, 2,154,718.12 and 882,332.16 is: 1,217,602.55
Step by Step Solution
- Step 1: Write the proportion equation
1,561,410.24 : 2,154,718.12 = 882,332.16 : x - Step 2: Convert to fraction form
1,561,410.24/2,154,718.12 = 882,332.16/x - Step 3: Cross multiply
1,561,410.24x = 2,154,718.12 × 882,332.16 - Step 4: Simplify right side
1,561,410.24x = 1,901,177,093,010.74 - Step 5: Solve for x
x = 1,901,177,093,010.74/1,561,410.24 - Step 6: Final answer
x = 1,217,602.55
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1.5x scale
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.