Finding the Fourth Proportional to 2,506,115.40, 3,458,442.68 and 1,360,195.84
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Solution
The fourth proportional to 2,506,115.40, 3,458,442.68 and 1,360,195.84 is: 1,877,072.12
Step by Step Solution
- Step 1: Write the proportion equation
2,506,115.40 : 3,458,442.68 = 1,360,195.84 : x - Step 2: Convert to fraction form
2,506,115.40/3,458,442.68 = 1,360,195.84/x - Step 3: Cross multiply
2,506,115.40x = 3,458,442.68 × 1,360,195.84 - Step 4: Simplify right side
2,506,115.40x = 4,704,159,346,214.45 - Step 5: Solve for x
x = 4,704,159,346,214.45/2,506,115.40 - Step 6: Final answer
x = 1,877,072.12
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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.