Finding the Fourth Proportional to 2,997,533.16, 4,136,628.42 and 1,639,377
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Solution
The fourth proportional to 2,997,533.16, 4,136,628.42 and 1,639,377 is: 2,262,358.12
Step by Step Solution
- Step 1: Write the proportion equation
2,997,533.16 : 4,136,628.42 = 1,639,377 : x - Step 2: Convert to fraction form
2,997,533.16/4,136,628.42 = 1,639,377/x - Step 3: Cross multiply
2,997,533.16x = 4,136,628.42 × 1,639,377 - Step 4: Simplify right side
2,997,533.16x = 6,781,493,489,294.34 - Step 5: Solve for x
x = 6,781,493,489,294.34/2,997,533.16 - Step 6: Final answer
x = 2,262,358.12
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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.