Finding the Fourth Proportional to 2,878,659.96, 4,319,484.36 and 1,174,053.84
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Solution
The fourth proportional to 2,878,659.96, 4,319,484.36 and 1,174,053.84 is: 1,761,690.26
Step by Step Solution
- Step 1: Write the proportion equation
2,878,659.96 : 4,319,484.36 = 1,174,053.84 : x - Step 2: Convert to fraction form
2,878,659.96/4,319,484.36 = 1,174,053.84/x - Step 3: Cross multiply
2,878,659.96x = 4,319,484.36 × 1,174,053.84 - Step 4: Simplify right side
2,878,659.96x = 5,071,307,213,410.38 - Step 5: Solve for x
x = 5,071,307,213,410.38/2,878,659.96 - Step 6: Final answer
x = 1,761,690.26
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.