Finding the Fourth Proportional to 4,230,307.42, 6,346,371.94 and 1,312,341.20
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Solution
The fourth proportional to 4,230,307.42, 6,346,371.94 and 1,312,341.20 is: 1,968,794.35
Step by Step Solution
- Step 1: Write the proportion equation
4,230,307.42 : 6,346,371.94 = 1,312,341.20 : x - Step 2: Convert to fraction form
4,230,307.42/6,346,371.94 = 1,312,341.20/x - Step 3: Cross multiply
4,230,307.42x = 6,346,371.94 × 1,312,341.20 - Step 4: Simplify right side
4,230,307.42x = 8,328,605,332,373.22 - Step 5: Solve for x
x = 8,328,605,332,373.22/4,230,307.42 - Step 6: Final answer
x = 1,968,794.35
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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.