Finding the Fourth Proportional to 4,110,459.70, 6,165,689.55 and 1,118,643.70
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Solution
The fourth proportional to 4,110,459.70, 6,165,689.55 and 1,118,643.70 is: 1,677,965.55
Step by Step Solution
- Step 1: Write the proportion equation
4,110,459.70 : 6,165,689.55 = 1,118,643.70 : x - Step 2: Convert to fraction form
4,110,459.70/6,165,689.55 = 1,118,643.70/x - Step 3: Cross multiply
4,110,459.70x = 6,165,689.55 × 1,118,643.70 - Step 4: Simplify right side
4,110,459.70x = 6,897,209,771,263.34 - Step 5: Solve for x
x = 6,897,209,771,263.34/4,110,459.70 - Step 6: Final answer
x = 1,677,965.55
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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.