Finding the Fourth Proportional to 2,989,253.30, 4,484,317.35 and 1,569,416.45
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Solution
The fourth proportional to 2,989,253.30, 4,484,317.35 and 1,569,416.45 is: 2,354,354.32
Step by Step Solution
- Step 1: Write the proportion equation
2,989,253.30 : 4,484,317.35 = 1,569,416.45 : x - Step 2: Convert to fraction form
2,989,253.30/4,484,317.35 = 1,569,416.45/x - Step 3: Cross multiply
2,989,253.30x = 4,484,317.35 × 1,569,416.45 - Step 4: Simplify right side
2,989,253.30x = 7,037,761,416,110.41 - Step 5: Solve for x
x = 7,037,761,416,110.41/2,989,253.30 - Step 6: Final answer
x = 2,354,354.32
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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.