Finding the Fourth Proportional to 2,486,809.65, 3,730,214.27 and 689,693.09
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Solution
The fourth proportional to 2,486,809.65, 3,730,214.27 and 689,693.09 is: 1,034,539.57
Step by Step Solution
- Step 1: Write the proportion equation
2,486,809.65 : 3,730,214.27 = 689,693.09 : x - Step 2: Convert to fraction form
2,486,809.65/3,730,214.27 = 689,693.09/x - Step 3: Cross multiply
2,486,809.65x = 3,730,214.27 × 689,693.09 - Step 4: Simplify right side
2,486,809.65x = 2,572,702,984,138.86 - Step 5: Solve for x
x = 2,572,702,984,138.86/2,486,809.65 - Step 6: Final answer
x = 1,034,539.57
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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.