Finding the Fourth Proportional to 1,920,339.18, 2,880,937.67 and 722,271.87
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Solution
The fourth proportional to 1,920,339.18, 2,880,937.67 and 722,271.87 is: 1,083,569.12
Step by Step Solution
- Step 1: Write the proportion equation
1,920,339.18 : 2,880,937.67 = 722,271.87 : x - Step 2: Convert to fraction form
1,920,339.18/2,880,937.67 = 722,271.87/x - Step 3: Cross multiply
1,920,339.18x = 2,880,937.67 × 722,271.87 - Step 4: Simplify right side
1,920,339.18x = 2,080,820,234,652.98 - Step 5: Solve for x
x = 2,080,820,234,652.98/1,920,339.18 - Step 6: Final answer
x = 1,083,569.12
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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.