Finding the Fourth Proportional to 1,602,337.68, 2,211,402.51 and 1,021,581.99
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Solution
The fourth proportional to 1,602,337.68, 2,211,402.51 and 1,021,581.99 is: 1,409,895.68
Step by Step Solution
- Step 1: Write the proportion equation
1,602,337.68 : 2,211,402.51 = 1,021,581.99 : x - Step 2: Convert to fraction form
1,602,337.68/2,211,402.51 = 1,021,581.99/x - Step 3: Cross multiply
1,602,337.68x = 2,211,402.51 × 1,021,581.99 - Step 4: Simplify right side
1,602,337.68x = 2,259,128,976,856.79 - Step 5: Solve for x
x = 2,259,128,976,856.79/1,602,337.68 - Step 6: Final answer
x = 1,409,895.68
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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.