Finding the Fourth Proportional to 1,495,389.84, 2,063,673.36 and 816,331.20
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Solution
The fourth proportional to 1,495,389.84, 2,063,673.36 and 816,331.20 is: 1,126,556.37
Step by Step Solution
- Step 1: Write the proportion equation
1,495,389.84 : 2,063,673.36 = 816,331.20 : x - Step 2: Convert to fraction form
1,495,389.84/2,063,673.36 = 816,331.20/x - Step 3: Cross multiply
1,495,389.84x = 2,063,673.36 × 816,331.20 - Step 4: Simplify right side
1,495,389.84x = 1,684,640,950,376.83 - Step 5: Solve for x
x = 1,684,640,950,376.83/1,495,389.84 - Step 6: Final answer
x = 1,126,556.37
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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.