Finding the Fourth Proportional to 7,156,278.39, 10,734,368.33 and 2,896,385.12
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Solution
The fourth proportional to 7,156,278.39, 10,734,368.33 and 2,896,385.12 is: 4,344,557.74
Step by Step Solution
- Step 1: Write the proportion equation
7,156,278.39 : 10,734,368.33 = 2,896,385.12 : x - Step 2: Convert to fraction form
7,156,278.39/10,734,368.33 = 2,896,385.12/x - Step 3: Cross multiply
7,156,278.39x = 10,734,368.33 × 2,896,385.12 - Step 4: Simplify right side
7,156,278.39x = 31,090,864,697,434.25 - Step 5: Solve for x
x = 31,090,864,697,434.25/7,156,278.39 - Step 6: Final answer
x = 4,344,557.74
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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.