Finding the Fourth Proportional to 2,799,214.68, 3,864,775.50 and 2,153,495.64
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Solution
The fourth proportional to 2,799,214.68, 3,864,775.50 and 2,153,495.64 is: 2,973,254.34
Step by Step Solution
- Step 1: Write the proportion equation
2,799,214.68 : 3,864,775.50 = 2,153,495.64 : x - Step 2: Convert to fraction form
2,799,214.68/3,864,775.50 = 2,153,495.64/x - Step 3: Cross multiply
2,799,214.68x = 3,864,775.50 × 2,153,495.64 - Step 4: Simplify right side
2,799,214.68x = 8,322,777,188,828.82 - Step 5: Solve for x
x = 8,322,777,188,828.82/2,799,214.68 - Step 6: Final answer
x = 2,973,254.34
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1.5x scale
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.