Finding the Fourth Proportional to 3,828,005.70, 5,742,008.55 and 3,473,711.70
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Solution
The fourth proportional to 3,828,005.70, 5,742,008.55 and 3,473,711.70 is: 5,210,567.55
Step by Step Solution
- Step 1: Write the proportion equation
3,828,005.70 : 5,742,008.55 = 3,473,711.70 : x - Step 2: Convert to fraction form
3,828,005.70/5,742,008.55 = 3,473,711.70/x - Step 3: Cross multiply
3,828,005.70x = 5,742,008.55 × 3,473,711.70 - Step 4: Simplify right side
3,828,005.70x = 19,946,082,281,635.04 - Step 5: Solve for x
x = 19,946,082,281,635.04/3,828,005.70 - Step 6: Final answer
x = 5,210,567.55
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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.