Finding the Fourth Proportional to 1,873,393.92, 2,585,346.57 and 1,148,101.81
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Solution
The fourth proportional to 1,873,393.92, 2,585,346.57 and 1,148,101.81 is: 1,584,419.08
Step by Step Solution
- Step 1: Write the proportion equation
1,873,393.92 : 2,585,346.57 = 1,148,101.81 : x - Step 2: Convert to fraction form
1,873,393.92/2,585,346.57 = 1,148,101.81/x - Step 3: Cross multiply
1,873,393.92x = 2,585,346.57 × 1,148,101.81 - Step 4: Simplify right side
1,873,393.92x = 2,968,241,070,030.93 - Step 5: Solve for x
x = 2,968,241,070,030.93/1,873,393.92 - Step 6: Final answer
x = 1,584,419.08
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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.