Finding the Fourth Proportional to 1,539,582.84, 2,124,157.70 and 1,074,424.34
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Solution
The fourth proportional to 1,539,582.84, 2,124,157.70 and 1,074,424.34 is: 1,482,379.96
Step by Step Solution
- Step 1: Write the proportion equation
1,539,582.84 : 2,124,157.70 = 1,074,424.34 : x - Step 2: Convert to fraction form
1,539,582.84/2,124,157.70 = 1,074,424.34/x - Step 3: Cross multiply
1,539,582.84x = 2,124,157.70 × 1,074,424.34 - Step 4: Simplify right side
1,539,582.84x = 2,282,246,742,874.87 - Step 5: Solve for x
x = 2,282,246,742,874.87/1,539,582.84 - Step 6: Final answer
x = 1,482,379.96
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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.