Finding the Fourth Proportional to 1,977,186.63, 2,963,743.60 and 778,623.15
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Solution
The fourth proportional to 1,977,186.63, 2,963,743.60 and 778,623.15 is: 1,167,132.81
Step by Step Solution
- Step 1: Write the proportion equation
1,977,186.63 : 2,963,743.60 = 778,623.15 : x - Step 2: Convert to fraction form
1,977,186.63/2,963,743.60 = 778,623.15/x - Step 3: Cross multiply
1,977,186.63x = 2,963,743.60 × 778,623.15 - Step 4: Simplify right side
1,977,186.63x = 2,307,639,377,624.34 - Step 5: Solve for x
x = 2,307,639,377,624.34/1,977,186.63 - Step 6: Final answer
x = 1,167,132.81
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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.