Finding the Fourth Proportional to 1,609,764.36, 2,221,526.46 and 884,679.12
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Solution
The fourth proportional to 1,609,764.36, 2,221,526.46 and 884,679.12 is: 1,220,885.57
Step by Step Solution
- Step 1: Write the proportion equation
1,609,764.36 : 2,221,526.46 = 884,679.12 : x - Step 2: Convert to fraction form
1,609,764.36/2,221,526.46 = 884,679.12/x - Step 3: Cross multiply
1,609,764.36x = 2,221,526.46 × 884,679.12 - Step 4: Simplify right side
1,609,764.36x = 1,965,338,073,689.52 - Step 5: Solve for x
x = 1,965,338,073,689.52/1,609,764.36 - Step 6: Final answer
x = 1,220,885.57
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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.