Finding the Fourth Proportional to 2,869,567.20, 3,960,181.80 and 1,580,407.26
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Solution
The fourth proportional to 2,869,567.20, 3,960,181.80 and 1,580,407.26 is: 2,181,060.64
Step by Step Solution
- Step 1: Write the proportion equation
2,869,567.20 : 3,960,181.80 = 1,580,407.26 : x - Step 2: Convert to fraction form
2,869,567.20/3,960,181.80 = 1,580,407.26/x - Step 3: Cross multiply
2,869,567.20x = 3,960,181.80 × 1,580,407.26 - Step 4: Simplify right side
2,869,567.20x = 6,258,700,067,639.87 - Step 5: Solve for x
x = 6,258,700,067,639.87/2,869,567.20 - Step 6: Final answer
x = 2,181,060.64
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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.