Finding the Fourth Proportional to 1,769,263.91, 2,653,381.70 and 689,536.09
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Solution
The fourth proportional to 1,769,263.91, 2,653,381.70 and 689,536.09 is: 1,034,103.75
Step by Step Solution
- Step 1: Write the proportion equation
1,769,263.91 : 2,653,381.70 = 689,536.09 : x - Step 2: Convert to fraction form
1,769,263.91/2,653,381.70 = 689,536.09/x - Step 3: Cross multiply
1,769,263.91x = 2,653,381.70 × 689,536.09 - Step 4: Simplify right side
1,769,263.91x = 1,829,602,445,150.36 - Step 5: Solve for x
x = 1,829,602,445,150.36/1,769,263.91 - Step 6: Final answer
x = 1,034,103.75
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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.