Finding the Fourth Proportional to 3,187,148.10, 4,781,656.68 and 1,028,129.95
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Solution
The fourth proportional to 3,187,148.10, 4,781,656.68 and 1,028,129.95 is: 1,542,496.39
Step by Step Solution
- Step 1: Write the proportion equation
3,187,148.10 : 4,781,656.68 = 1,028,129.95 : x - Step 2: Convert to fraction form
3,187,148.10/4,781,656.68 = 1,028,129.95/x - Step 3: Cross multiply
3,187,148.10x = 4,781,656.68 × 1,028,129.95 - Step 4: Simplify right side
3,187,148.10x = 4,916,164,443,325.57 - Step 5: Solve for x
x = 4,916,164,443,325.57/3,187,148.10 - Step 6: Final answer
x = 1,542,496.39
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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.