Finding the Fourth Proportional to 5,130,947.97, 7,080,225.80 and 3,473,723.75
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Solution
The fourth proportional to 5,130,947.97, 7,080,225.80 and 3,473,723.75 is: 4,793,412.17
Step by Step Solution
- Step 1: Write the proportion equation
5,130,947.97 : 7,080,225.80 = 3,473,723.75 : x - Step 2: Convert to fraction form
5,130,947.97/7,080,225.80 = 3,473,723.75/x - Step 3: Cross multiply
5,130,947.97x = 7,080,225.80 × 3,473,723.75 - Step 4: Simplify right side
5,130,947.97x = 24,594,748,464,053.00 - Step 5: Solve for x
x = 24,594,748,464,053.00/5,130,947.97 - Step 6: Final answer
x = 4,793,412.17
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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.