Finding the Fourth Proportional to 2,989,756.46, 4,125,998.06 and 1,683,457.71
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Solution
The fourth proportional to 2,989,756.46, 4,125,998.06 and 1,683,457.71 is: 2,323,247.17
Step by Step Solution
- Step 1: Write the proportion equation
2,989,756.46 : 4,125,998.06 = 1,683,457.71 : x - Step 2: Convert to fraction form
2,989,756.46/4,125,998.06 = 1,683,457.71/x - Step 3: Cross multiply
2,989,756.46x = 4,125,998.06 × 1,683,457.71 - Step 4: Simplify right side
2,989,756.46x = 6,945,943,237,134.75 - Step 5: Solve for x
x = 6,945,943,237,134.75/2,989,756.46 - Step 6: Final answer
x = 2,323,247.17
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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.