Finding the Fourth Proportional to 1,368,695.66, 1,888,172.20 and 885,416.65
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Solution
The fourth proportional to 1,368,695.66, 1,888,172.20 and 885,416.65 is: 1,221,468.84
Step by Step Solution
- Step 1: Write the proportion equation
1,368,695.66 : 1,888,172.20 = 885,416.65 : x - Step 2: Convert to fraction form
1,368,695.66/1,888,172.20 = 885,416.65/x - Step 3: Cross multiply
1,368,695.66x = 1,888,172.20 × 885,416.65 - Step 4: Simplify right side
1,368,695.66x = 1,671,819,100,333.47 - Step 5: Solve for x
x = 1,671,819,100,333.47/1,368,695.66 - Step 6: Final answer
x = 1,221,468.84
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.