Finding the Fourth Proportional to 1,675,552.11, 2,312,285.58 and 911,606.28
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Solution
The fourth proportional to 1,675,552.11, 2,312,285.58 and 911,606.28 is: 1,258,029.54
Step by Step Solution
- Step 1: Write the proportion equation
1,675,552.11 : 2,312,285.58 = 911,606.28 : x - Step 2: Convert to fraction form
1,675,552.11/2,312,285.58 = 911,606.28/x - Step 3: Cross multiply
1,675,552.11x = 2,312,285.58 × 911,606.28 - Step 4: Simplify right side
1,675,552.11x = 2,107,894,055,881.44 - Step 5: Solve for x
x = 2,107,894,055,881.44/1,675,552.11 - Step 6: Final answer
x = 1,258,029.54
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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.