Finding the Fourth Proportional to 4,756,427.36, 7,131,606.24 and 3,135,325.76
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Solution
The fourth proportional to 4,756,427.36, 7,131,606.24 and 3,135,325.76 is: 4,700,988.17
Step by Step Solution
- Step 1: Write the proportion equation
4,756,427.36 : 7,131,606.24 = 3,135,325.76 : x - Step 2: Convert to fraction form
4,756,427.36/7,131,606.24 = 3,135,325.76/x - Step 3: Cross multiply
4,756,427.36x = 7,131,606.24 × 3,135,325.76 - Step 4: Simplify right side
4,756,427.36x = 22,359,908,754,448.74 - Step 5: Solve for x
x = 22,359,908,754,448.74/4,756,427.36 - Step 6: Final answer
x = 4,700,988.17
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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.