Finding the Fourth Proportional to 1,449,609.48, 2,000,488.19 and 805,090.05
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Solution
The fourth proportional to 1,449,609.48, 2,000,488.19 and 805,090.05 is: 1,111,039.32
Step by Step Solution
- Step 1: Write the proportion equation
1,449,609.48 : 2,000,488.19 = 805,090.05 : x - Step 2: Convert to fraction form
1,449,609.48/2,000,488.19 = 805,090.05/x - Step 3: Cross multiply
1,449,609.48x = 2,000,488.19 × 805,090.05 - Step 4: Simplify right side
1,449,609.48x = 1,610,573,132,886.06 - Step 5: Solve for x
x = 1,610,573,132,886.06/1,449,609.48 - Step 6: Final answer
x = 1,111,039.32
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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.