Finding the Fourth Proportional to 5,917,421.84, 8,165,962.32 and 3,303,966.20
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Solution
The fourth proportional to 5,917,421.84, 8,165,962.32 and 3,303,966.20 is: 4,559,428.79
Step by Step Solution
- Step 1: Write the proportion equation
5,917,421.84 : 8,165,962.32 = 3,303,966.20 : x - Step 2: Convert to fraction form
5,917,421.84/8,165,962.32 = 3,303,966.20/x - Step 3: Cross multiply
5,917,421.84x = 8,165,962.32 × 3,303,966.20 - Step 4: Simplify right side
5,917,421.84x = 26,980,063,495,753.59 - Step 5: Solve for x
x = 26,980,063,495,753.59/5,917,421.84 - Step 6: Final answer
x = 4,559,428.79
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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.