Finding the Fourth Proportional to 2,948,461.37, 4,068,203.50 and 1,658,831.21
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Solution
The fourth proportional to 2,948,461.37, 4,068,203.50 and 1,658,831.21 is: 2,288,808.32
Step by Step Solution
- Step 1: Write the proportion equation
2,948,461.37 : 4,068,203.50 = 1,658,831.21 : x - Step 2: Convert to fraction form
2,948,461.37/4,068,203.50 = 1,658,831.21/x - Step 3: Cross multiply
2,948,461.37x = 4,068,203.50 × 1,658,831.21 - Step 4: Simplify right side
2,948,461.37x = 6,748,462,905,796.06 - Step 5: Solve for x
x = 6,748,462,905,796.06/2,948,461.37 - Step 6: Final answer
x = 2,288,808.32
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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.