Finding the Fourth Proportional to 1,889,420.70, 2,607,383.67 and 1,029,980.70
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Solution
The fourth proportional to 1,889,420.70, 2,607,383.67 and 1,029,980.70 is: 1,421,364.16
Step by Step Solution
- Step 1: Write the proportion equation
1,889,420.70 : 2,607,383.67 = 1,029,980.70 : x - Step 2: Convert to fraction form
1,889,420.70/2,607,383.67 = 1,029,980.70/x - Step 3: Cross multiply
1,889,420.70x = 2,607,383.67 × 1,029,980.70 - Step 4: Simplify right side
1,889,420.70x = 2,685,554,857,595.17 - Step 5: Solve for x
x = 2,685,554,857,595.17/1,889,420.70 - Step 6: Final answer
x = 1,421,364.16
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.