Finding the Fourth Proportional to 4,310,230, 6,465,377.40 and 1,913,430.28
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Solution
The fourth proportional to 4,310,230, 6,465,377.40 and 1,913,430.28 is: 2,870,159.80
Step by Step Solution
- Step 1: Write the proportion equation
4,310,230 : 6,465,377.40 = 1,913,430.28 : x - Step 2: Convert to fraction form
4,310,230/6,465,377.40 = 1,913,430.28/x - Step 3: Cross multiply
4,310,230x = 6,465,377.40 × 1,913,430.28 - Step 4: Simplify right side
4,310,230x = 12,371,048,888,787.67 - Step 5: Solve for x
x = 12,371,048,888,787.67/4,310,230 - Step 6: Final answer
x = 2,870,159.80
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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.