Finding the Fourth Proportional to 4,230,574.60, 6,349,490.70 and 1,708,040.20
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Solution
The fourth proportional to 4,230,574.60, 6,349,490.70 and 1,708,040.20 is: 2,563,525.38
Step by Step Solution
- Step 1: Write the proportion equation
4,230,574.60 : 6,349,490.70 = 1,708,040.20 : x - Step 2: Convert to fraction form
4,230,574.60/6,349,490.70 = 1,708,040.20/x - Step 3: Cross multiply
4,230,574.60x = 6,349,490.70 × 1,708,040.20 - Step 4: Simplify right side
4,230,574.60x = 10,845,185,365,126.14 - Step 5: Solve for x
x = 10,845,185,365,126.14/4,230,574.60 - Step 6: Final answer
x = 2,563,525.38
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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.