Finding the Fourth Proportional to 1,347,547.10, 2,021,320.65 and 816,106.10
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Solution
The fourth proportional to 1,347,547.10, 2,021,320.65 and 816,106.10 is: 1,224,159.15
Step by Step Solution
- Step 1: Write the proportion equation
1,347,547.10 : 2,021,320.65 = 816,106.10 : x - Step 2: Convert to fraction form
1,347,547.10/2,021,320.65 = 816,106.10/x - Step 3: Cross multiply
1,347,547.10x = 2,021,320.65 × 816,106.10 - Step 4: Simplify right side
1,347,547.10x = 1,649,612,112,520.97 - Step 5: Solve for x
x = 1,649,612,112,520.97/1,347,547.10 - Step 6: Final answer
x = 1,224,159.15
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.