Finding the Fourth Proportional to 2,110,069.68, 2,911,897.80 and 1,238,733.84
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Solution
The fourth proportional to 2,110,069.68, 2,911,897.80 and 1,238,733.84 is: 1,709,453.66
Step by Step Solution
- Step 1: Write the proportion equation
2,110,069.68 : 2,911,897.80 = 1,238,733.84 : x - Step 2: Convert to fraction form
2,110,069.68/2,911,897.80 = 1,238,733.84/x - Step 3: Cross multiply
2,110,069.68x = 2,911,897.80 × 1,238,733.84 - Step 4: Simplify right side
2,110,069.68x = 3,607,066,343,481.55 - Step 5: Solve for x
x = 3,607,066,343,481.55/2,110,069.68 - Step 6: Final answer
x = 1,709,453.66
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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.