Finding the Fourth Proportional to 1,977,480.03, 2,966,220.05 and 912,206.91
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Solution
The fourth proportional to 1,977,480.03, 2,966,220.05 and 912,206.91 is: 1,368,310.37
Step by Step Solution
- Step 1: Write the proportion equation
1,977,480.03 : 2,966,220.05 = 912,206.91 : x - Step 2: Convert to fraction form
1,977,480.03/2,966,220.05 = 912,206.91/x - Step 3: Cross multiply
1,977,480.03x = 2,966,220.05 × 912,206.91 - Step 4: Simplify right side
1,977,480.03x = 2,705,806,426,190.55 - Step 5: Solve for x
x = 2,705,806,426,190.55/1,977,480.03 - Step 6: Final answer
x = 1,368,310.37
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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.