Finding the Fourth Proportional to 1,924,752.51, 2,653,420.23 and 1,312,119.09
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Solution
The fourth proportional to 1,924,752.51, 2,653,420.23 and 1,312,119.09 is: 1,808,857.67
Step by Step Solution
- Step 1: Write the proportion equation
1,924,752.51 : 2,653,420.23 = 1,312,119.09 : x - Step 2: Convert to fraction form
1,924,752.51/2,653,420.23 = 1,312,119.09/x - Step 3: Cross multiply
1,924,752.51x = 2,653,420.23 × 1,312,119.09 - Step 4: Simplify right side
1,924,752.51x = 3,481,603,337,575.19 - Step 5: Solve for x
x = 3,481,603,337,575.19/1,924,752.51 - Step 6: Final answer
x = 1,808,857.67
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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.