Finding the Fourth Proportional to 2,759,038.62, 4,137,351.21 and 1,391,971.02
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Solution
The fourth proportional to 2,759,038.62, 4,137,351.21 and 1,391,971.02 is: 2,087,347.72
Step by Step Solution
- Step 1: Write the proportion equation
2,759,038.62 : 4,137,351.21 = 1,391,971.02 : x - Step 2: Convert to fraction form
2,759,038.62/4,137,351.21 = 1,391,971.02/x - Step 3: Cross multiply
2,759,038.62x = 4,137,351.21 × 1,391,971.02 - Step 4: Simplify right side
2,759,038.62x = 5,759,072,983,881.94 - Step 5: Solve for x
x = 5,759,072,983,881.94/2,759,038.62 - Step 6: Final answer
x = 2,087,347.72
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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.