Finding the Fourth Proportional to 2,564,656.74, 3,539,310.19 and 1,403,076.04
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Solution
The fourth proportional to 2,564,656.74, 3,539,310.19 and 1,403,076.04 is: 1,936,290.82
Step by Step Solution
- Step 1: Write the proportion equation
2,564,656.74 : 3,539,310.19 = 1,403,076.04 : x - Step 2: Convert to fraction form
2,564,656.74/3,539,310.19 = 1,403,076.04/x - Step 3: Cross multiply
2,564,656.74x = 3,539,310.19 × 1,403,076.04 - Step 4: Simplify right side
2,564,656.74x = 4,965,921,313,360.88 - Step 5: Solve for x
x = 4,965,921,313,360.88/2,564,656.74 - Step 6: Final answer
x = 1,936,290.82
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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.