Finding the Fourth Proportional to 1,675,614.36, 2,312,278.74 and 911,670.96
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Solution
The fourth proportional to 1,675,614.36, 2,312,278.74 and 911,670.96 is: 1,258,068.34
Step by Step Solution
- Step 1: Write the proportion equation
1,675,614.36 : 2,312,278.74 = 911,670.96 : x - Step 2: Convert to fraction form
1,675,614.36/2,312,278.74 = 911,670.96/x - Step 3: Cross multiply
1,675,614.36x = 2,312,278.74 × 911,670.96 - Step 4: Simplify right side
1,675,614.36x = 2,108,037,378,683.39 - Step 5: Solve for x
x = 2,108,037,378,683.39/1,675,614.36 - Step 6: Final answer
x = 1,258,068.34
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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.