Finding the Fourth Proportional to 6,249,356.70, 9,374,553.45 and 1,989,404.70
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Solution
The fourth proportional to 6,249,356.70, 9,374,553.45 and 1,989,404.70 is: 2,984,272.08
Step by Step Solution
- Step 1: Write the proportion equation
6,249,356.70 : 9,374,553.45 = 1,989,404.70 : x - Step 2: Convert to fraction form
6,249,356.70/9,374,553.45 = 1,989,404.70/x - Step 3: Cross multiply
6,249,356.70x = 9,374,553.45 × 1,989,404.70 - Step 4: Simplify right side
6,249,356.70x = 18,649,780,693,831.21 - Step 5: Solve for x
x = 18,649,780,693,831.21/6,249,356.70 - Step 6: Final answer
x = 2,984,272.08
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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.