Finding the Fourth Proportional to 2,013,195.84, 2,778,219.68 and 1,153,806.88
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Solution
The fourth proportional to 2,013,195.84, 2,778,219.68 and 1,153,806.88 is: 1,592,258.89
Step by Step Solution
- Step 1: Write the proportion equation
2,013,195.84 : 2,778,219.68 = 1,153,806.88 : x - Step 2: Convert to fraction form
2,013,195.84/2,778,219.68 = 1,153,806.88/x - Step 3: Cross multiply
2,013,195.84x = 2,778,219.68 × 1,153,806.88 - Step 4: Simplify right side
2,013,195.84x = 3,205,528,980,935.40 - Step 5: Solve for x
x = 3,205,528,980,935.40/2,013,195.84 - Step 6: Final answer
x = 1,592,258.89
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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.