Finding the Fourth Proportional to 5,349,321.68, 8,025,980.07 and 2,155,353.98
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Solution
The fourth proportional to 5,349,321.68, 8,025,980.07 and 2,155,353.98 is: 3,233,835.82
Step by Step Solution
- Step 1: Write the proportion equation
5,349,321.68 : 8,025,980.07 = 2,155,353.98 : x - Step 2: Convert to fraction form
5,349,321.68/8,025,980.07 = 2,155,353.98/x - Step 3: Cross multiply
5,349,321.68x = 8,025,980.07 × 2,155,353.98 - Step 4: Simplify right side
5,349,321.68x = 17,298,828,087,275.18 - Step 5: Solve for x
x = 17,298,828,087,275.18/5,349,321.68 - Step 6: Final answer
x = 3,233,835.82
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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.