Finding the Fourth Proportional to 2,114,911.44, 2,918,579.40 and 1,148,041.44
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Solution
The fourth proportional to 2,114,911.44, 2,918,579.40 and 1,148,041.44 is: 1,584,298.06
Step by Step Solution
- Step 1: Write the proportion equation
2,114,911.44 : 2,918,579.40 = 1,148,041.44 : x - Step 2: Convert to fraction form
2,114,911.44/2,918,579.40 = 1,148,041.44/x - Step 3: Cross multiply
2,114,911.44x = 2,918,579.40 × 1,148,041.44 - Step 4: Simplify right side
2,114,911.44x = 3,350,650,097,130.34 - Step 5: Solve for x
x = 3,350,650,097,130.34/2,114,911.44 - Step 6: Final answer
x = 1,584,298.06
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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.