Finding the Fourth Proportional to 1,871,747.82, 2,583,011.99 and 1,012,308.08
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Solution
The fourth proportional to 1,871,747.82, 2,583,011.99 and 1,012,308.08 is: 1,396,985.15
Step by Step Solution
- Step 1: Write the proportion equation
1,871,747.82 : 2,583,011.99 = 1,012,308.08 : x - Step 2: Convert to fraction form
1,871,747.82/2,583,011.99 = 1,012,308.08/x - Step 3: Cross multiply
1,871,747.82x = 2,583,011.99 × 1,012,308.08 - Step 4: Simplify right side
1,871,747.82x = 2,614,803,906,664.80 - Step 5: Solve for x
x = 2,614,803,906,664.80/1,871,747.82 - Step 6: Final answer
x = 1,396,985.15
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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.