Finding the Fourth Proportional to 1,931,830.80, 2,896,564.67 and 921,261.84
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Solution
The fourth proportional to 1,931,830.80, 2,896,564.67 and 921,261.84 is: 1,381,329.31
Step by Step Solution
- Step 1: Write the proportion equation
1,931,830.80 : 2,896,564.67 = 921,261.84 : x - Step 2: Convert to fraction form
1,931,830.80/2,896,564.67 = 921,261.84/x - Step 3: Cross multiply
1,931,830.80x = 2,896,564.67 × 921,261.84 - Step 4: Simplify right side
1,931,830.80x = 2,668,494,497,563.19 - Step 5: Solve for x
x = 2,668,494,497,563.19/1,931,830.80 - Step 6: Final answer
x = 1,381,329.31
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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.