Finding the Fourth Proportional to 1,943,349.18, 2,681,808.93 and 1,072,228.74
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Solution
The fourth proportional to 1,943,349.18, 2,681,808.93 and 1,072,228.74 is: 1,479,668.52
Step by Step Solution
- Step 1: Write the proportion equation
1,943,349.18 : 2,681,808.93 = 1,072,228.74 : x - Step 2: Convert to fraction form
1,943,349.18/2,681,808.93 = 1,072,228.74/x - Step 3: Cross multiply
1,943,349.18x = 2,681,808.93 × 1,072,228.74 - Step 4: Simplify right side
1,943,349.18x = 2,875,512,609,934.65 - Step 5: Solve for x
x = 2,875,512,609,934.65/1,943,349.18 - Step 6: Final answer
x = 1,479,668.52
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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.