Finding the Fourth Proportional to 5,911,681.41, 8,158,321.67 and 3,430,710
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Solution
The fourth proportional to 5,911,681.41, 8,158,321.67 and 3,430,710 is: 4,734,496.63
Step by Step Solution
- Step 1: Write the proportion equation
5,911,681.41 : 8,158,321.67 = 3,430,710 : x - Step 2: Convert to fraction form
5,911,681.41/8,158,321.67 = 3,430,710/x - Step 3: Cross multiply
5,911,681.41x = 8,158,321.67 × 3,430,710 - Step 4: Simplify right side
5,911,681.41x = 27,988,835,719,332.15 - Step 5: Solve for x
x = 27,988,835,719,332.15/5,911,681.41 - Step 6: Final answer
x = 4,734,496.63
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.