Finding the Fourth Proportional to 1,609,854.06, 2,221,491.21 and 884,686.20
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Solution
The fourth proportional to 1,609,854.06, 2,221,491.21 and 884,686.20 is: 1,220,807.94
Step by Step Solution
- Step 1: Write the proportion equation
1,609,854.06 : 2,221,491.21 = 884,686.20 : x - Step 2: Convert to fraction form
1,609,854.06/2,221,491.21 = 884,686.20/x - Step 3: Cross multiply
1,609,854.06x = 2,221,491.21 × 884,686.20 - Step 4: Simplify right side
1,609,854.06x = 1,965,322,616,908.30 - Step 5: Solve for x
x = 1,965,322,616,908.30/1,609,854.06 - Step 6: Final answer
x = 1,220,807.94
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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.