Finding the Fourth Proportional to 3,689,017.21, 5,533,691.88 and 1,130,045.41
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Solution
The fourth proportional to 3,689,017.21, 5,533,691.88 and 1,130,045.41 is: 1,695,118.99
Step by Step Solution
- Step 1: Write the proportion equation
3,689,017.21 : 5,533,691.88 = 1,130,045.41 : x - Step 2: Convert to fraction form
3,689,017.21/5,533,691.88 = 1,130,045.41/x - Step 3: Cross multiply
3,689,017.21x = 5,533,691.88 × 1,130,045.41 - Step 4: Simplify right side
3,689,017.21x = 6,253,323,120,503.06 - Step 5: Solve for x
x = 6,253,323,120,503.06/3,689,017.21 - Step 6: Final answer
x = 1,695,118.99
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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.