Finding the Fourth Proportional to 2,316,365.90, 3,478,534.68 and 2,216,720.70
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Solution
The fourth proportional to 2,316,365.90, 3,478,534.68 and 2,216,720.70 is: 3,328,895.42
Step by Step Solution
- Step 1: Write the proportion equation
2,316,365.90 : 3,478,534.68 = 2,216,720.70 : x - Step 2: Convert to fraction form
2,316,365.90/3,478,534.68 = 2,216,720.70/x - Step 3: Cross multiply
2,316,365.90x = 3,478,534.68 × 2,216,720.70 - Step 4: Simplify right side
2,316,365.90x = 7,710,939,830,823.88 - Step 5: Solve for x
x = 7,710,939,830,823.88/2,316,365.90 - Step 6: Final answer
x = 3,328,895.42
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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.