Finding the Fourth Proportional to 1,889,866.47, 2,836,128.09 and 1,709,176.53
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Solution
The fourth proportional to 1,889,866.47, 2,836,128.09 and 1,709,176.53 is: 2,564,966.17
Step by Step Solution
- Step 1: Write the proportion equation
1,889,866.47 : 2,836,128.09 = 1,709,176.53 : x - Step 2: Convert to fraction form
1,889,866.47/2,836,128.09 = 1,709,176.53/x - Step 3: Cross multiply
1,889,866.47x = 2,836,128.09 × 1,709,176.53 - Step 4: Simplify right side
1,889,866.47x = 4,847,443,567,501.73 - Step 5: Solve for x
x = 4,847,443,567,501.73/1,889,866.47 - Step 6: Final answer
x = 2,564,966.17
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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.