Finding the Fourth Proportional to 2,898,708.09, 4,348,290.18 and 768,792.21
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Solution
The fourth proportional to 2,898,708.09, 4,348,290.18 and 768,792.21 is: 1,153,248.80
Step by Step Solution
- Step 1: Write the proportion equation
2,898,708.09 : 4,348,290.18 = 768,792.21 : x - Step 2: Convert to fraction form
2,898,708.09/4,348,290.18 = 768,792.21/x - Step 3: Cross multiply
2,898,708.09x = 4,348,290.18 × 768,792.21 - Step 4: Simplify right side
2,898,708.09x = 3,342,931,617,203.50 - Step 5: Solve for x
x = 3,342,931,617,203.50/2,898,708.09 - Step 6: Final answer
x = 1,153,248.80
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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.