Finding the Fourth Proportional to 1,871,148.86, 2,581,595.99 and 1,145,239.82
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Solution
The fourth proportional to 1,871,148.86, 2,581,595.99 and 1,145,239.82 is: 1,580,070.18
Step by Step Solution
- Step 1: Write the proportion equation
1,871,148.86 : 2,581,595.99 = 1,145,239.82 : x - Step 2: Convert to fraction form
1,871,148.86/2,581,595.99 = 1,145,239.82/x - Step 3: Cross multiply
1,871,148.86x = 2,581,595.99 × 1,145,239.82 - Step 4: Simplify right side
1,871,148.86x = 2,956,546,508,266.14 - Step 5: Solve for x
x = 2,956,546,508,266.14/1,871,148.86 - Step 6: Final answer
x = 1,580,070.18
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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.