Finding the Fourth Proportional to 4,781,346.39, 6,598,216.44 and 2,605,889.25
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Solution
The fourth proportional to 4,781,346.39, 6,598,216.44 and 2,605,889.25 is: 3,596,104.50
Step by Step Solution
- Step 1: Write the proportion equation
4,781,346.39 : 6,598,216.44 = 2,605,889.25 : x - Step 2: Convert to fraction form
4,781,346.39/6,598,216.44 = 2,605,889.25/x - Step 3: Cross multiply
4,781,346.39x = 6,598,216.44 × 2,605,889.25 - Step 4: Simplify right side
4,781,346.39x = 17,194,221,290,169.27 - Step 5: Solve for x
x = 17,194,221,290,169.27/4,781,346.39 - Step 6: Final answer
x = 3,596,104.50
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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.