Finding the Fourth Proportional to 2,573,701.36, 3,551,712.06 and 1,427,781.72
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Solution
The fourth proportional to 2,573,701.36, 3,551,712.06 and 1,427,781.72 is: 1,970,341.09
Step by Step Solution
- Step 1: Write the proportion equation
2,573,701.36 : 3,551,712.06 = 1,427,781.72 : x - Step 2: Convert to fraction form
2,573,701.36/3,551,712.06 = 1,427,781.72/x - Step 3: Cross multiply
2,573,701.36x = 3,551,712.06 × 1,427,781.72 - Step 4: Simplify right side
2,573,701.36x = 5,071,069,553,971.54 - Step 5: Solve for x
x = 5,071,069,553,971.54/2,573,701.36 - Step 6: Final answer
x = 1,970,341.09
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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.