Finding the Fourth Proportional to 4,478,107.96, 6,718,116.12 and 1,445,646.16
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Solution
The fourth proportional to 4,478,107.96, 6,718,116.12 and 1,445,646.16 is: 2,168,777.27
Step by Step Solution
- Step 1: Write the proportion equation
4,478,107.96 : 6,718,116.12 = 1,445,646.16 : x - Step 2: Convert to fraction form
4,478,107.96/6,718,116.12 = 1,445,646.16/x - Step 3: Cross multiply
4,478,107.96x = 6,718,116.12 × 1,445,646.16 - Step 4: Simplify right side
4,478,107.96x = 9,712,018,771,312.10 - Step 5: Solve for x
x = 9,712,018,771,312.10/4,478,107.96 - Step 6: Final answer
x = 2,168,777.27
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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.