Finding the Fourth Proportional to 1,820,898.29, 2,512,839.76 and 1,005,102.18
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Solution
The fourth proportional to 1,820,898.29, 2,512,839.76 and 1,005,102.18 is: 1,387,041.07
Step by Step Solution
- Step 1: Write the proportion equation
1,820,898.29 : 2,512,839.76 = 1,005,102.18 : x - Step 2: Convert to fraction form
1,820,898.29/2,512,839.76 = 1,005,102.18/x - Step 3: Cross multiply
1,820,898.29x = 2,512,839.76 × 1,005,102.18 - Step 4: Simplify right side
1,820,898.29x = 2,525,660,720,766.68 - Step 5: Solve for x
x = 2,525,660,720,766.68/1,820,898.29 - Step 6: Final answer
x = 1,387,041.07
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.