Finding the Fourth Proportional to 2,773,419.52, 3,828,497.72 and 1,686,038.44
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Solution
The fourth proportional to 2,773,419.52, 3,828,497.72 and 1,686,038.44 is: 2,327,449.66
Step by Step Solution
- Step 1: Write the proportion equation
2,773,419.52 : 3,828,497.72 = 1,686,038.44 : x - Step 2: Convert to fraction form
2,773,419.52/3,828,497.72 = 1,686,038.44/x - Step 3: Cross multiply
2,773,419.52x = 3,828,497.72 × 1,686,038.44 - Step 4: Simplify right side
2,773,419.52x = 6,454,994,323,372.36 - Step 5: Solve for x
x = 6,454,994,323,372.36/2,773,419.52 - Step 6: Final answer
x = 2,327,449.66
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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.