Finding the Fourth Proportional to 1,891,210.84, 2,609,779.98 and 1,031,719.84
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Solution
The fourth proportional to 1,891,210.84, 2,609,779.98 and 1,031,719.84 is: 1,423,723.75
Step by Step Solution
- Step 1: Write the proportion equation
1,891,210.84 : 2,609,779.98 = 1,031,719.84 : x - Step 2: Convert to fraction form
1,891,210.84/2,609,779.98 = 1,031,719.84/x - Step 3: Cross multiply
1,891,210.84x = 2,609,779.98 × 1,031,719.84 - Step 4: Simplify right side
1,891,210.84x = 2,692,561,783,400.80 - Step 5: Solve for x
x = 2,692,561,783,400.80/1,891,210.84 - Step 6: Final answer
x = 1,423,723.75
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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.