Finding the Fourth Proportional to 4,949,312.76, 6,830,042.40 and 2,773,855.26
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Solution
The fourth proportional to 4,949,312.76, 6,830,042.40 and 2,773,855.26 is: 3,827,915.10
Step by Step Solution
- Step 1: Write the proportion equation
4,949,312.76 : 6,830,042.40 = 2,773,855.26 : x - Step 2: Convert to fraction form
4,949,312.76/6,830,042.40 = 2,773,855.26/x - Step 3: Cross multiply
4,949,312.76x = 6,830,042.40 × 2,773,855.26 - Step 4: Simplify right side
4,949,312.76x = 18,945,549,037,263.02 - Step 5: Solve for x
x = 18,945,549,037,263.02/4,949,312.76 - Step 6: Final answer
x = 3,827,915.10
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1.5x scale
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.