Finding the Fourth Proportional to 4,220,006.30, 6,329,346.70 and 1,340,994.07
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Solution
The fourth proportional to 4,220,006.30, 6,329,346.70 and 1,340,994.07 is: 2,011,280.50
Step by Step Solution
- Step 1: Write the proportion equation
4,220,006.30 : 6,329,346.70 = 1,340,994.07 : x - Step 2: Convert to fraction form
4,220,006.30/6,329,346.70 = 1,340,994.07/x - Step 3: Cross multiply
4,220,006.30x = 6,329,346.70 × 1,340,994.07 - Step 4: Simplify right side
4,220,006.30x = 8,487,616,384,969.10 - Step 5: Solve for x
x = 8,487,616,384,969.10/4,220,006.30 - Step 6: Final answer
x = 2,011,280.50
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1.5x scale
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.