Finding the Fourth Proportional to 2,135,779.95, 3,203,165.08 and 787,210.14
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Solution
The fourth proportional to 2,135,779.95, 3,203,165.08 and 787,210.14 is: 1,180,629.14
Step by Step Solution
- Step 1: Write the proportion equation
2,135,779.95 : 3,203,165.08 = 787,210.14 : x - Step 2: Convert to fraction form
2,135,779.95/3,203,165.08 = 787,210.14/x - Step 3: Cross multiply
2,135,779.95x = 3,203,165.08 × 787,210.14 - Step 4: Simplify right side
2,135,779.95x = 2,521,564,044,065.79 - Step 5: Solve for x
x = 2,521,564,044,065.79/2,135,779.95 - Step 6: Final answer
x = 1,180,629.14
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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.