Finding the Fourth Proportional to 6,720,298.90, 10,080,448.35 and 2,232,574.90
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Solution
The fourth proportional to 6,720,298.90, 10,080,448.35 and 2,232,574.90 is: 3,348,862.35
Step by Step Solution
- Step 1: Write the proportion equation
6,720,298.90 : 10,080,448.35 = 2,232,574.90 : x - Step 2: Convert to fraction form
6,720,298.90/10,080,448.35 = 2,232,574.90/x - Step 3: Cross multiply
6,720,298.90x = 10,080,448.35 × 2,232,574.90 - Step 4: Simplify right side
6,720,298.90x = 22,505,355,966,956.41 - Step 5: Solve for x
x = 22,505,355,966,956.41/6,720,298.90 - Step 6: Final answer
x = 3,348,862.35
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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.