Home / 3,038,905.18-4,193,798.79-1,680,787.90

Finding the Fourth Proportional to 3,038,905.18, 4,193,798.79 and 1,680,787.90

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Solution

The fourth proportional to 3,038,905.18, 4,193,798.79 and 1,680,787.90 is: 2,319,547.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,038,905.18 : 4,193,798.79 = 1,680,787.90 : x
  2. Step 2: Convert to fraction form
    3,038,905.18/4,193,798.79 = 1,680,787.90/x
  3. Step 3: Cross multiply
    3,038,905.18x = 4,193,798.79 × 1,680,787.90
  4. Step 4: Simplify right side
    3,038,905.18x = 7,048,886,261,266.64
  5. Step 5: Solve for x
    x = 7,048,886,261,266.64/3,038,905.18
  6. Step 6: Final answer
    x = 2,319,547.94

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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.