Finding the Fourth Proportional to 1,572,730.80, 2,355,985.80 and 1,460,756.40
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Solution
The fourth proportional to 1,572,730.80, 2,355,985.80 and 1,460,756.40 is: 2,188,245.65
Step by Step Solution
- Step 1: Write the proportion equation
1,572,730.80 : 2,355,985.80 = 1,460,756.40 : x - Step 2: Convert to fraction form
1,572,730.80/2,355,985.80 = 1,460,756.40/x - Step 3: Cross multiply
1,572,730.80x = 2,355,985.80 × 1,460,756.40 - Step 4: Simplify right side
1,572,730.80x = 3,441,521,335,659.12 - Step 5: Solve for x
x = 3,441,521,335,659.12/1,572,730.80 - Step 6: Final answer
x = 2,188,245.65
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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.