Finding the Fourth Proportional to 2,766,994.60, 3,817,871.94 and 1,679,838.52
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Solution
The fourth proportional to 2,766,994.60, 3,817,871.94 and 1,679,838.52 is: 2,317,824.67
Step by Step Solution
- Step 1: Write the proportion equation
2,766,994.60 : 3,817,871.94 = 1,679,838.52 : x - Step 2: Convert to fraction form
2,766,994.60/3,817,871.94 = 1,679,838.52/x - Step 3: Cross multiply
2,766,994.60x = 3,817,871.94 × 1,679,838.52 - Step 4: Simplify right side
2,766,994.60x = 6,413,408,349,239.13 - Step 5: Solve for x
x = 6,413,408,349,239.13/2,766,994.60 - Step 6: Final answer
x = 2,317,824.67
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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.