Finding the Fourth Proportional to 1,812,070.74, 2,720,205.90 and 972,262.74
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Solution
The fourth proportional to 1,812,070.74, 2,720,205.90 and 972,262.74 is: 1,459,520.75
Step by Step Solution
- Step 1: Write the proportion equation
1,812,070.74 : 2,720,205.90 = 972,262.74 : x - Step 2: Convert to fraction form
1,812,070.74/2,720,205.90 = 972,262.74/x - Step 3: Cross multiply
1,812,070.74x = 2,720,205.90 × 972,262.74 - Step 4: Simplify right side
1,812,070.74x = 2,644,754,841,698.17 - Step 5: Solve for x
x = 2,644,754,841,698.17/1,812,070.74 - Step 6: Final answer
x = 1,459,520.75
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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.