Finding the Fourth Proportional to 1,664,772.90, 2,497,159.35 and 1,487,480.10
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Solution
The fourth proportional to 1,664,772.90, 2,497,159.35 and 1,487,480.10 is: 2,231,220.15
Step by Step Solution
- Step 1: Write the proportion equation
1,664,772.90 : 2,497,159.35 = 1,487,480.10 : x - Step 2: Convert to fraction form
1,664,772.90/2,497,159.35 = 1,487,480.10/x - Step 3: Cross multiply
1,664,772.90x = 2,497,159.35 × 1,487,480.10 - Step 4: Simplify right side
1,664,772.90x = 3,714,474,839,653.94 - Step 5: Solve for x
x = 3,714,474,839,653.94/1,664,772.90 - Step 6: Final answer
x = 2,231,220.15
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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.