Finding the Fourth Proportional to 1,559,408.35, 2,336,701.47 and 1,217,039.99
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Solution
The fourth proportional to 1,559,408.35, 2,336,701.47 and 1,217,039.99 is: 1,823,678.28
Step by Step Solution
- Step 1: Write the proportion equation
1,559,408.35 : 2,336,701.47 = 1,217,039.99 : x - Step 2: Convert to fraction form
1,559,408.35/2,336,701.47 = 1,217,039.99/x - Step 3: Cross multiply
1,559,408.35x = 2,336,701.47 × 1,217,039.99 - Step 4: Simplify right side
1,559,408.35x = 2,843,859,133,681.79 - Step 5: Solve for x
x = 2,843,859,133,681.79/1,559,408.35 - Step 6: Final answer
x = 1,823,678.28
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.