Finding the Fourth Proportional to 2,519,639.34, 3,779,426.21 and 626,397.18
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Solution
The fourth proportional to 2,519,639.34, 3,779,426.21 and 626,397.18 is: 939,587.61
Step by Step Solution
- Step 1: Write the proportion equation
2,519,639.34 : 3,779,426.21 = 626,397.18 : x - Step 2: Convert to fraction form
2,519,639.34/3,779,426.21 = 626,397.18/x - Step 3: Cross multiply
2,519,639.34x = 3,779,426.21 × 626,397.18 - Step 4: Simplify right side
2,519,639.34x = 2,367,421,916,830.10 - Step 5: Solve for x
x = 2,367,421,916,830.10/2,519,639.34 - Step 6: Final answer
x = 939,587.61
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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.