Finding the Fourth Proportional to 1,778,628.84, 2,667,543.93 and 818,161.98
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Solution
The fourth proportional to 1,778,628.84, 2,667,543.93 and 818,161.98 is: 1,227,059.28
Step by Step Solution
- Step 1: Write the proportion equation
1,778,628.84 : 2,667,543.93 = 818,161.98 : x - Step 2: Convert to fraction form
1,778,628.84/2,667,543.93 = 818,161.98/x - Step 3: Cross multiply
1,778,628.84x = 2,667,543.93 × 818,161.98 - Step 4: Simplify right side
1,778,628.84x = 2,182,483,023,505.78 - Step 5: Solve for x
x = 2,182,483,023,505.78/1,778,628.84 - Step 6: Final answer
x = 1,227,059.28
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.