Finding the Fourth Proportional to 5,415,220.29, 8,122,767.78 and 1,316,564.65
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Solution
The fourth proportional to 5,415,220.29, 8,122,767.78 and 1,316,564.65 is: 1,974,831.74
Step by Step Solution
- Step 1: Write the proportion equation
5,415,220.29 : 8,122,767.78 = 1,316,564.65 : x - Step 2: Convert to fraction form
5,415,220.29/8,122,767.78 = 1,316,564.65/x - Step 3: Cross multiply
5,415,220.29x = 8,122,767.78 × 1,316,564.65 - Step 4: Simplify right side
5,415,220.29x = 10,694,148,919,306.98 - Step 5: Solve for x
x = 10,694,148,919,306.98/5,415,220.29 - Step 6: Final answer
x = 1,974,831.74
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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.