Finding the Fourth Proportional to 5,053,408.40, 6,973,703.59 and 2,878,153.95
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Solution
The fourth proportional to 5,053,408.40, 6,973,703.59 and 2,878,153.95 is: 3,971,852.45
Step by Step Solution
- Step 1: Write the proportion equation
5,053,408.40 : 6,973,703.59 = 2,878,153.95 : x - Step 2: Convert to fraction form
5,053,408.40/6,973,703.59 = 2,878,153.95/x - Step 3: Cross multiply
5,053,408.40x = 6,973,703.59 × 2,878,153.95 - Step 4: Simplify right side
5,053,408.40x = 20,071,392,540,994.25 - Step 5: Solve for x
x = 20,071,392,540,994.25/5,053,408.40 - Step 6: Final answer
x = 3,971,852.45
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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.