Finding the Fourth Proportional to 2,884,272.81, 3,979,854.32 and 1,660,341.84
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Solution
The fourth proportional to 2,884,272.81, 3,979,854.32 and 1,660,341.84 is: 2,291,017.21
Step by Step Solution
- Step 1: Write the proportion equation
2,884,272.81 : 3,979,854.32 = 1,660,341.84 : x - Step 2: Convert to fraction form
2,884,272.81/3,979,854.32 = 1,660,341.84/x - Step 3: Cross multiply
2,884,272.81x = 3,979,854.32 × 1,660,341.84 - Step 4: Simplify right side
2,884,272.81x = 6,607,918,644,600.75 - Step 5: Solve for x
x = 6,607,918,644,600.75/2,884,272.81 - Step 6: Final answer
x = 2,291,017.21
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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.