Finding the Fourth Proportional to 2,208,085.81, 3,312,948.84 and 1,533,811.84
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Solution
The fourth proportional to 2,208,085.81, 3,312,948.84 and 1,533,811.84 is: 2,301,287.45
Step by Step Solution
- Step 1: Write the proportion equation
2,208,085.81 : 3,312,948.84 = 1,533,811.84 : x - Step 2: Convert to fraction form
2,208,085.81/3,312,948.84 = 1,533,811.84/x - Step 3: Cross multiply
2,208,085.81x = 3,312,948.84 × 1,533,811.84 - Step 4: Simplify right side
2,208,085.81x = 5,081,440,156,106.27 - Step 5: Solve for x
x = 5,081,440,156,106.27/2,208,085.81 - Step 6: Final answer
x = 2,301,287.45
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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.