Finding the Fourth Proportional to 1,456,047.39, 2,009,346.98 and 811,452.99
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Solution
The fourth proportional to 1,456,047.39, 2,009,346.98 and 811,452.99 is: 1,119,806.00
Step by Step Solution
- Step 1: Write the proportion equation
1,456,047.39 : 2,009,346.98 = 811,452.99 : x - Step 2: Convert to fraction form
1,456,047.39/2,009,346.98 = 811,452.99/x - Step 3: Cross multiply
1,456,047.39x = 2,009,346.98 × 811,452.99 - Step 4: Simplify right side
1,456,047.39x = 1,630,490,610,811.21 - Step 5: Solve for x
x = 1,630,490,610,811.21/1,456,047.39 - Step 6: Final answer
x = 1,119,806.00
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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.