Finding the Fourth Proportional to 4,490,352.57, 6,739,787.16 and 2,779,320.18
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Solution
The fourth proportional to 4,490,352.57, 6,739,787.16 and 2,779,320.18 is: 4,171,615.96
Step by Step Solution
- Step 1: Write the proportion equation
4,490,352.57 : 6,739,787.16 = 2,779,320.18 : x - Step 2: Convert to fraction form
4,490,352.57/6,739,787.16 = 2,779,320.18/x - Step 3: Cross multiply
4,490,352.57x = 6,739,787.16 × 2,779,320.18 - Step 4: Simplify right side
4,490,352.57x = 18,732,026,462,692.89 - Step 5: Solve for x
x = 18,732,026,462,692.89/4,490,352.57 - Step 6: Final answer
x = 4,171,615.96
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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.