Finding the Fourth Proportional to 2,064,412.62, 2,847,740.40 and 1,918,278.65
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Solution
The fourth proportional to 2,064,412.62, 2,847,740.40 and 1,918,278.65 is: 2,646,156.85
Step by Step Solution
- Step 1: Write the proportion equation
2,064,412.62 : 2,847,740.40 = 1,918,278.65 : x - Step 2: Convert to fraction form
2,064,412.62/2,847,740.40 = 1,918,278.65/x - Step 3: Cross multiply
2,064,412.62x = 2,847,740.40 × 1,918,278.65 - Step 4: Simplify right side
2,064,412.62x = 5,462,759,595,823.76 - Step 5: Solve for x
x = 5,462,759,595,823.76/2,064,412.62 - Step 6: Final answer
x = 2,646,156.85
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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.