Finding the Fourth Proportional to 1,470,725.80, 2,203,755.90 and 971,506.60
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Solution
The fourth proportional to 1,470,725.80, 2,203,755.90 and 971,506.60 is: 1,455,718.94
Step by Step Solution
- Step 1: Write the proportion equation
1,470,725.80 : 2,203,755.90 = 971,506.60 : x - Step 2: Convert to fraction form
1,470,725.80/2,203,755.90 = 971,506.60/x - Step 3: Cross multiply
1,470,725.80x = 2,203,755.90 × 971,506.60 - Step 4: Simplify right side
1,470,725.80x = 2,140,963,401,638.94 - Step 5: Solve for x
x = 2,140,963,401,638.94/1,470,725.80 - Step 6: Final answer
x = 1,455,718.94
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.