Finding the Fourth Proportional to 1,975,486.12, 2,963,228.41 and 555,542.12
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Solution
The fourth proportional to 1,975,486.12, 2,963,228.41 and 555,542.12 is: 833,312.97
Step by Step Solution
- Step 1: Write the proportion equation
1,975,486.12 : 2,963,228.41 = 555,542.12 : x - Step 2: Convert to fraction form
1,975,486.12/2,963,228.41 = 555,542.12/x - Step 3: Cross multiply
1,975,486.12x = 2,963,228.41 × 555,542.12 - Step 4: Simplify right side
1,975,486.12x = 1,646,198,201,038.13 - Step 5: Solve for x
x = 1,646,198,201,038.13/1,975,486.12 - Step 6: Final answer
x = 833,312.97
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1.5x scale
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.