Finding the Fourth Proportional to 3,337,257.12, 4,605,511.96 and 1,886,921.40
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Solution
The fourth proportional to 3,337,257.12, 4,605,511.96 and 1,886,921.40 is: 2,604,006.45
Step by Step Solution
- Step 1: Write the proportion equation
3,337,257.12 : 4,605,511.96 = 1,886,921.40 : x - Step 2: Convert to fraction form
3,337,257.12/4,605,511.96 = 1,886,921.40/x - Step 3: Cross multiply
3,337,257.12x = 4,605,511.96 × 1,886,921.40 - Step 4: Simplify right side
3,337,257.12x = 8,690,239,075,279.94 - Step 5: Solve for x
x = 8,690,239,075,279.94/3,337,257.12 - Step 6: Final answer
x = 2,604,006.45
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.