Finding the Fourth Proportional to 1,702,756.91, 2,350,765.65 and 1,130,579.39
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Solution
The fourth proportional to 1,702,756.91, 2,350,765.65 and 1,130,579.39 is: 1,560,837.71
Step by Step Solution
- Step 1: Write the proportion equation
1,702,756.91 : 2,350,765.65 = 1,130,579.39 : x - Step 2: Convert to fraction form
1,702,756.91/2,350,765.65 = 1,130,579.39/x - Step 3: Cross multiply
1,702,756.91x = 2,350,765.65 × 1,130,579.39 - Step 4: Simplify right side
1,702,756.91x = 2,657,727,182,856.13 - Step 5: Solve for x
x = 2,657,727,182,856.13/1,702,756.91 - Step 6: Final answer
x = 1,560,837.71
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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.