Finding the Fourth Proportional to 3,387,201.74, 4,674,279.74 and 1,838,430.18
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Solution
The fourth proportional to 3,387,201.74, 4,674,279.74 and 1,838,430.18 is: 2,537,001.81
Step by Step Solution
- Step 1: Write the proportion equation
3,387,201.74 : 4,674,279.74 = 1,838,430.18 : x - Step 2: Convert to fraction form
3,387,201.74/4,674,279.74 = 1,838,430.18/x - Step 3: Cross multiply
3,387,201.74x = 4,674,279.74 × 1,838,430.18 - Step 4: Simplify right side
3,387,201.74x = 8,593,336,934,586.40 - Step 5: Solve for x
x = 8,593,336,934,586.40/3,387,201.74 - Step 6: Final answer
x = 2,537,001.81
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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.