Finding the Fourth Proportional to 2,636,698.08, 3,638,543.94 and 1,490,803.02
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Solution
The fourth proportional to 2,636,698.08, 3,638,543.94 and 1,490,803.02 is: 2,057,251.96
Step by Step Solution
- Step 1: Write the proportion equation
2,636,698.08 : 3,638,543.94 = 1,490,803.02 : x - Step 2: Convert to fraction form
2,636,698.08/3,638,543.94 = 1,490,803.02/x - Step 3: Cross multiply
2,636,698.08x = 3,638,543.94 × 1,490,803.02 - Step 4: Simplify right side
2,636,698.08x = 5,424,352,294,154.70 - Step 5: Solve for x
x = 5,424,352,294,154.70/2,636,698.08 - Step 6: Final answer
x = 2,057,251.96
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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.