Finding the Fourth Proportional to 5,068,338.21, 6,994,386.05 and 2,776,347.63
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Solution
The fourth proportional to 5,068,338.21, 6,994,386.05 and 2,776,347.63 is: 3,831,403.18
Step by Step Solution
- Step 1: Write the proportion equation
5,068,338.21 : 6,994,386.05 = 2,776,347.63 : x - Step 2: Convert to fraction form
5,068,338.21/6,994,386.05 = 2,776,347.63/x - Step 3: Cross multiply
5,068,338.21x = 6,994,386.05 × 2,776,347.63 - Step 4: Simplify right side
5,068,338.21x = 19,418,847,119,340.82 - Step 5: Solve for x
x = 19,418,847,119,340.82/5,068,338.21 - Step 6: Final answer
x = 3,831,403.18
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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.