Finding the Fourth Proportional to 3,014,312.66, 4,158,722.68 and 1,867,974.74
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Solution
The fourth proportional to 3,014,312.66, 4,158,722.68 and 1,867,974.74 is: 2,577,167.60
Step by Step Solution
- Step 1: Write the proportion equation
3,014,312.66 : 4,158,722.68 = 1,867,974.74 : x - Step 2: Convert to fraction form
3,014,312.66/4,158,722.68 = 1,867,974.74/x - Step 3: Cross multiply
3,014,312.66x = 4,158,722.68 × 1,867,974.74 - Step 4: Simplify right side
3,014,312.66x = 7,768,388,916,905.10 - Step 5: Solve for x
x = 7,768,388,916,905.10/3,014,312.66 - Step 6: Final answer
x = 2,577,167.60
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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.