Finding the Fourth Proportional to 7,019,058.70, 10,519,730.70 and 3,417,069.70
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Solution
The fourth proportional to 7,019,058.70, 10,519,730.70 and 3,417,069.70 is: 5,121,292.55
Step by Step Solution
- Step 1: Write the proportion equation
7,019,058.70 : 10,519,730.70 = 3,417,069.70 : x - Step 2: Convert to fraction form
7,019,058.70/10,519,730.70 = 3,417,069.70/x - Step 3: Cross multiply
7,019,058.70x = 10,519,730.70 × 3,417,069.70 - Step 4: Simplify right side
7,019,058.70x = 35,946,653,027,129.79 - Step 5: Solve for x
x = 35,946,653,027,129.79/7,019,058.70 - Step 6: Final answer
x = 5,121,292.55
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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.