Finding the Fourth Proportional to 1,688,386.08, 2,329,972.38 and 924,439.44
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Solution
The fourth proportional to 1,688,386.08, 2,329,972.38 and 924,439.44 is: 1,275,726.20
Step by Step Solution
- Step 1: Write the proportion equation
1,688,386.08 : 2,329,972.38 = 924,439.44 : x - Step 2: Convert to fraction form
1,688,386.08/2,329,972.38 = 924,439.44/x - Step 3: Cross multiply
1,688,386.08x = 2,329,972.38 × 924,439.44 - Step 4: Simplify right side
1,688,386.08x = 2,153,918,362,182.67 - Step 5: Solve for x
x = 2,153,918,362,182.67/1,688,386.08 - Step 6: Final answer
x = 1,275,726.20
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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.