Finding the Fourth Proportional to 2,134,482.74, 2,945,656.47 and 1,167,590.96
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Solution
The fourth proportional to 2,134,482.74, 2,945,656.47 and 1,167,590.96 is: 1,611,313.97
Step by Step Solution
- Step 1: Write the proportion equation
2,134,482.74 : 2,945,656.47 = 1,167,590.96 : x - Step 2: Convert to fraction form
2,134,482.74/2,945,656.47 = 1,167,590.96/x - Step 3: Cross multiply
2,134,482.74x = 2,945,656.47 × 1,167,590.96 - Step 4: Simplify right side
2,134,482.74x = 3,439,321,865,637.51 - Step 5: Solve for x
x = 3,439,321,865,637.51/2,134,482.74 - Step 6: Final answer
x = 1,611,313.97
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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.