Finding the Fourth Proportional to 5,490,498.11, 8,235,705.69 and 1,652,303.99
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Solution
The fourth proportional to 5,490,498.11, 8,235,705.69 and 1,652,303.99 is: 2,478,443.51
Step by Step Solution
- Step 1: Write the proportion equation
5,490,498.11 : 8,235,705.69 = 1,652,303.99 : x - Step 2: Convert to fraction form
5,490,498.11/8,235,705.69 = 1,652,303.99/x - Step 3: Cross multiply
5,490,498.11x = 8,235,705.69 × 1,652,303.99 - Step 4: Simplify right side
5,490,498.11x = 13,607,889,398,838.11 - Step 5: Solve for x
x = 13,607,889,398,838.11/5,490,498.11 - Step 6: Final answer
x = 2,478,443.51
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.