Finding the Fourth Proportional to 2,991,887.88, 4,487,831.81 and 748,025.88
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Solution
The fourth proportional to 2,991,887.88, 4,487,831.81 and 748,025.88 is: 1,122,038.82
Step by Step Solution
- Step 1: Write the proportion equation
2,991,887.88 : 4,487,831.81 = 748,025.88 : x - Step 2: Convert to fraction form
2,991,887.88/4,487,831.81 = 748,025.88/x - Step 3: Cross multiply
2,991,887.88x = 4,487,831.81 × 748,025.88 - Step 4: Simplify right side
2,991,887.88x = 3,357,014,338,967.24 - Step 5: Solve for x
x = 3,357,014,338,967.24/2,991,887.88 - Step 6: Final answer
x = 1,122,038.82
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.