Finding the Fourth Proportional to 1,873,129.02, 2,584,926.09 and 1,013,689.32
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Solution
The fourth proportional to 1,873,129.02, 2,584,926.09 and 1,013,689.32 is: 1,398,895.61
Step by Step Solution
- Step 1: Write the proportion equation
1,873,129.02 : 2,584,926.09 = 1,013,689.32 : x - Step 2: Convert to fraction form
1,873,129.02/2,584,926.09 = 1,013,689.32/x - Step 3: Cross multiply
1,873,129.02x = 2,584,926.09 × 1,013,689.32 - Step 4: Simplify right side
1,873,129.02x = 2,620,311,970,422.36 - Step 5: Solve for x
x = 2,620,311,970,422.36/1,873,129.02 - Step 6: Final answer
x = 1,398,895.61
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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.