Finding the Fourth Proportional to 1,866,133.12, 2,576,503.20 and 1,435,653.76
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Solution
The fourth proportional to 1,866,133.12, 2,576,503.20 and 1,435,653.76 is: 1,982,155.76
Step by Step Solution
- Step 1: Write the proportion equation
1,866,133.12 : 2,576,503.20 = 1,435,653.76 : x - Step 2: Convert to fraction form
1,866,133.12/2,576,503.20 = 1,435,653.76/x - Step 3: Cross multiply
1,866,133.12x = 2,576,503.20 × 1,435,653.76 - Step 4: Simplify right side
1,866,133.12x = 3,698,966,506,732.03 - Step 5: Solve for x
x = 3,698,966,506,732.03/1,866,133.12 - Step 6: Final answer
x = 1,982,155.76
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.