Finding the Fourth Proportional to 1,820,790.18, 2,512,315.32 and 1,046,271.38
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Solution
The fourth proportional to 1,820,790.18, 2,512,315.32 and 1,046,271.38 is: 1,443,638.95
Step by Step Solution
- Step 1: Write the proportion equation
1,820,790.18 : 2,512,315.32 = 1,046,271.38 : x - Step 2: Convert to fraction form
1,820,790.18/2,512,315.32 = 1,046,271.38/x - Step 3: Cross multiply
1,820,790.18x = 2,512,315.32 × 1,046,271.38 - Step 4: Simplify right side
1,820,790.18x = 2,628,563,616,851.54 - Step 5: Solve for x
x = 2,628,563,616,851.54/1,820,790.18 - Step 6: Final answer
x = 1,443,638.95
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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.