Home / 3,119,277.60-4,678,916.40-1,439,661.60

Finding the Fourth Proportional to 3,119,277.60, 4,678,916.40 and 1,439,661.60

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Solution

The fourth proportional to 3,119,277.60, 4,678,916.40 and 1,439,661.60 is: 2,159,492.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119,277.60 : 4,678,916.40 = 1,439,661.60 : x
  2. Step 2: Convert to fraction form
    3,119,277.60/4,678,916.40 = 1,439,661.60/x
  3. Step 3: Cross multiply
    3,119,277.60x = 4,678,916.40 × 1,439,661.60
  4. Step 4: Simplify right side
    3,119,277.60x = 6,736,056,270,690.24
  5. Step 5: Solve for x
    x = 6,736,056,270,690.24/3,119,277.60
  6. Step 6: Final answer
    x = 2,159,492.40

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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.