Finding the Fourth Proportional to 1,487,683.26, 2,053,005.75 and 808,618.14
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Solution
The fourth proportional to 1,487,683.26, 2,053,005.75 and 808,618.14 is: 1,115,894.58
Step by Step Solution
- Step 1: Write the proportion equation
1,487,683.26 : 2,053,005.75 = 808,618.14 : x - Step 2: Convert to fraction form
1,487,683.26/2,053,005.75 = 808,618.14/x - Step 3: Cross multiply
1,487,683.26x = 2,053,005.75 × 808,618.14 - Step 4: Simplify right side
1,487,683.26x = 1,660,097,690,974.31 - Step 5: Solve for x
x = 1,660,097,690,974.31/1,487,683.26 - Step 6: Final answer
x = 1,115,894.58
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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.