Finding the Fourth Proportional to 1,975,929.12, 2,725,645.14 and 1,190,449.44
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Solution
The fourth proportional to 1,975,929.12, 2,725,645.14 and 1,190,449.44 is: 1,642,135.18
Step by Step Solution
- Step 1: Write the proportion equation
1,975,929.12 : 2,725,645.14 = 1,190,449.44 : x - Step 2: Convert to fraction form
1,975,929.12/2,725,645.14 = 1,190,449.44/x - Step 3: Cross multiply
1,975,929.12x = 2,725,645.14 × 1,190,449.44 - Step 4: Simplify right side
1,975,929.12x = 3,244,742,730,551.72 - Step 5: Solve for x
x = 3,244,742,730,551.72/1,975,929.12 - Step 6: Final answer
x = 1,642,135.18
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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.