Finding the Fourth Proportional to 1,622,446.83, 2,239,257.57 and 977,867.76
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Solution
The fourth proportional to 1,622,446.83, 2,239,257.57 and 977,867.76 is: 1,349,626.84
Step by Step Solution
- Step 1: Write the proportion equation
1,622,446.83 : 2,239,257.57 = 977,867.76 : x - Step 2: Convert to fraction form
1,622,446.83/2,239,257.57 = 977,867.76/x - Step 3: Cross multiply
1,622,446.83x = 2,239,257.57 × 977,867.76 - Step 4: Simplify right side
1,622,446.83x = 2,189,697,784,038.94 - Step 5: Solve for x
x = 2,189,697,784,038.94/1,622,446.83 - Step 6: Final answer
x = 1,349,626.84
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1.5x scale
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.