Finding the Fourth Proportional to 2,298,189.72, 3,420,154.55 and 2,221,564.08
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Solution
The fourth proportional to 2,298,189.72, 3,420,154.55 and 2,221,564.08 is: 3,306,120.65
Step by Step Solution
- Step 1: Write the proportion equation
2,298,189.72 : 3,420,154.55 = 2,221,564.08 : x - Step 2: Convert to fraction form
2,298,189.72/3,420,154.55 = 2,221,564.08/x - Step 3: Cross multiply
2,298,189.72x = 3,420,154.55 × 2,221,564.08 - Step 4: Simplify right side
2,298,189.72x = 7,598,092,485,220.74 - Step 5: Solve for x
x = 7,598,092,485,220.74/2,298,189.72 - Step 6: Final answer
x = 3,306,120.65
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.