Finding the Fourth Proportional to 3,422,577.84, 5,132,205.54 and 1,715,988.12
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Solution
The fourth proportional to 3,422,577.84, 5,132,205.54 and 1,715,988.12 is: 2,573,149.29
Step by Step Solution
- Step 1: Write the proportion equation
3,422,577.84 : 5,132,205.54 = 1,715,988.12 : x - Step 2: Convert to fraction form
3,422,577.84/5,132,205.54 = 1,715,988.12/x - Step 3: Cross multiply
3,422,577.84x = 5,132,205.54 × 1,715,988.12 - Step 4: Simplify right side
3,422,577.84x = 8,806,803,736,038.19 - Step 5: Solve for x
x = 8,806,803,736,038.19/3,422,577.84 - Step 6: Final answer
x = 2,573,149.29
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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.