Finding the Fourth Proportional to 3,221,106.90, 4,828,117.41 and 1,326,814.98
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Solution
The fourth proportional to 3,221,106.90, 4,828,117.41 and 1,326,814.98 is: 1,988,763.09
Step by Step Solution
- Step 1: Write the proportion equation
3,221,106.90 : 4,828,117.41 = 1,326,814.98 : x - Step 2: Convert to fraction form
3,221,106.90/4,828,117.41 = 1,326,814.98/x - Step 3: Cross multiply
3,221,106.90x = 4,828,117.41 × 1,326,814.98 - Step 4: Simplify right side
3,221,106.90x = 6,406,018,504,786.80 - Step 5: Solve for x
x = 6,406,018,504,786.80/3,221,106.90 - Step 6: Final answer
x = 1,988,763.09
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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.