Finding the Fourth Proportional to 1,931,390.12, 2,896,429.08 and 668,922.68
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Solution
The fourth proportional to 1,931,390.12, 2,896,429.08 and 668,922.68 is: 1,003,156.78
Step by Step Solution
- Step 1: Write the proportion equation
1,931,390.12 : 2,896,429.08 = 668,922.68 : x - Step 2: Convert to fraction form
1,931,390.12/2,896,429.08 = 668,922.68/x - Step 3: Cross multiply
1,931,390.12x = 2,896,429.08 × 668,922.68 - Step 4: Simplify right side
1,931,390.12x = 1,937,487,102,623.53 - Step 5: Solve for x
x = 1,937,487,102,623.53/1,931,390.12 - Step 6: Final answer
x = 1,003,156.78
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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.