Finding the Fourth Proportional to 2,572,202.16, 3,549,817.44 and 1,426,389.12
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Solution
The fourth proportional to 2,572,202.16, 3,549,817.44 and 1,426,389.12 is: 1,968,515.95
Step by Step Solution
- Step 1: Write the proportion equation
2,572,202.16 : 3,549,817.44 = 1,426,389.12 : x - Step 2: Convert to fraction form
2,572,202.16/3,549,817.44 = 1,426,389.12/x - Step 3: Cross multiply
2,572,202.16x = 3,549,817.44 × 1,426,389.12 - Step 4: Simplify right side
2,572,202.16x = 5,063,420,974,402.25 - Step 5: Solve for x
x = 5,063,420,974,402.25/2,572,202.16 - Step 6: Final answer
x = 1,968,515.95
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.