Finding the Fourth Proportional to 1,925,543.86, 2,657,291.07 and 1,054,415.14
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Solution
The fourth proportional to 1,925,543.86, 2,657,291.07 and 1,054,415.14 is: 1,455,115.09
Step by Step Solution
- Step 1: Write the proportion equation
1,925,543.86 : 2,657,291.07 = 1,054,415.14 : x - Step 2: Convert to fraction form
1,925,543.86/2,657,291.07 = 1,054,415.14/x - Step 3: Cross multiply
1,925,543.86x = 2,657,291.07 × 1,054,415.14 - Step 4: Simplify right side
1,925,543.86x = 2,801,887,935,594.80 - Step 5: Solve for x
x = 2,801,887,935,594.80/1,925,543.86 - Step 6: Final answer
x = 1,455,115.09
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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.