Finding the Fourth Proportional to 3,402,878.16, 5,106,674.64 and 1,353,328.68
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Solution
The fourth proportional to 3,402,878.16, 5,106,674.64 and 1,353,328.68 is: 2,030,930.56
Step by Step Solution
- Step 1: Write the proportion equation
3,402,878.16 : 5,106,674.64 = 1,353,328.68 : x - Step 2: Convert to fraction form
3,402,878.16/5,106,674.64 = 1,353,328.68/x - Step 3: Cross multiply
3,402,878.16x = 5,106,674.64 × 1,353,328.68 - Step 4: Simplify right side
3,402,878.16x = 6,911,009,249,740.68 - Step 5: Solve for x
x = 6,911,009,249,740.68/3,402,878.16 - Step 6: Final answer
x = 2,030,930.56
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.