Finding the Fourth Proportional to 1,462,011.65, 2,193,515.36 and 788,158.07
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Solution
The fourth proportional to 1,462,011.65, 2,193,515.36 and 788,158.07 is: 1,182,505.51
Step by Step Solution
- Step 1: Write the proportion equation
1,462,011.65 : 2,193,515.36 = 788,158.07 : x - Step 2: Convert to fraction form
1,462,011.65/2,193,515.36 = 788,158.07/x - Step 3: Cross multiply
1,462,011.65x = 2,193,515.36 × 788,158.07 - Step 4: Simplify right side
1,462,011.65x = 1,728,836,828,712.16 - Step 5: Solve for x
x = 1,728,836,828,712.16/1,462,011.65 - Step 6: Final answer
x = 1,182,505.51
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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.