Finding the Fourth Proportional to 1,931,551.80, 2,896,175.70 and 1,184,134.20
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Solution
The fourth proportional to 1,931,551.80, 2,896,175.70 and 1,184,134.20 is: 1,775,495.07
Step by Step Solution
- Step 1: Write the proportion equation
1,931,551.80 : 2,896,175.70 = 1,184,134.20 : x - Step 2: Convert to fraction form
1,931,551.80/2,896,175.70 = 1,184,134.20/x - Step 3: Cross multiply
1,931,551.80x = 2,896,175.70 × 1,184,134.20 - Step 4: Simplify right side
1,931,551.80x = 3,429,460,695,578.94 - Step 5: Solve for x
x = 3,429,460,695,578.94/1,931,551.80 - Step 6: Final answer
x = 1,775,495.07
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.