Finding the Fourth Proportional to 1,820,967.02, 2,512,934.99 and 1,005,171.23
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Solution
The fourth proportional to 1,820,967.02, 2,512,934.99 and 1,005,171.23 is: 1,387,136.58
Step by Step Solution
- Step 1: Write the proportion equation
1,820,967.02 : 2,512,934.99 = 1,005,171.23 : x - Step 2: Convert to fraction form
1,820,967.02/2,512,934.99 = 1,005,171.23/x - Step 3: Cross multiply
1,820,967.02x = 2,512,934.99 × 1,005,171.23 - Step 4: Simplify right side
1,820,967.02x = 2,525,929,963,603.60 - Step 5: Solve for x
x = 2,525,929,963,603.60/1,820,967.02 - Step 6: Final answer
x = 1,387,136.58
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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.