Home / 4,772,435.20-7,153,123.20-1,931,142.40

Finding the Fourth Proportional to 4,772,435.20, 7,153,123.20 and 1,931,142.40

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Solution

The fourth proportional to 4,772,435.20, 7,153,123.20 and 1,931,142.40 is: 2,894,476.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,772,435.20 : 7,153,123.20 = 1,931,142.40 : x
  2. Step 2: Convert to fraction form
    4,772,435.20/7,153,123.20 = 1,931,142.40/x
  3. Step 3: Cross multiply
    4,772,435.20x = 7,153,123.20 × 1,931,142.40
  4. Step 4: Simplify right side
    4,772,435.20x = 13,813,699,503,943.68
  5. Step 5: Solve for x
    x = 13,813,699,503,943.68/4,772,435.20
  6. Step 6: Final answer
    x = 2,894,476.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.