Finding the Fourth Proportional to 2,996,401.60, 4,497,800.87 and 1,291,386.31
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Solution
The fourth proportional to 2,996,401.60, 4,497,800.87 and 1,291,386.31 is: 1,938,457.94
Step by Step Solution
- Step 1: Write the proportion equation
2,996,401.60 : 4,497,800.87 = 1,291,386.31 : x - Step 2: Convert to fraction form
2,996,401.60/4,497,800.87 = 1,291,386.31/x - Step 3: Cross multiply
2,996,401.60x = 4,497,800.87 × 1,291,386.31 - Step 4: Simplify right side
2,996,401.60x = 5,808,398,468,624.09 - Step 5: Solve for x
x = 5,808,398,468,624.09/2,996,401.60 - Step 6: Final answer
x = 1,938,457.94
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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.