Finding the Fourth Proportional to 2,238,276.93, 3,088,826.10 and 1,219,681.68
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Solution
The fourth proportional to 2,238,276.93, 3,088,826.10 and 1,219,681.68 is: 1,683,162.86
Step by Step Solution
- Step 1: Write the proportion equation
2,238,276.93 : 3,088,826.10 = 1,219,681.68 : x - Step 2: Convert to fraction form
2,238,276.93/3,088,826.10 = 1,219,681.68/x - Step 3: Cross multiply
2,238,276.93x = 3,088,826.10 × 1,219,681.68 - Step 4: Simplify right side
2,238,276.93x = 3,767,384,606,875.85 - Step 5: Solve for x
x = 3,767,384,606,875.85/2,238,276.93 - Step 6: Final answer
x = 1,683,162.86
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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.