Home / 3,119,087.60-4,678,631.40-875,225.60

Finding the Fourth Proportional to 3,119,087.60, 4,678,631.40 and 875,225.60

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Solution

The fourth proportional to 3,119,087.60, 4,678,631.40 and 875,225.60 is: 1,312,838.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119,087.60 : 4,678,631.40 = 875,225.60 : x
  2. Step 2: Convert to fraction form
    3,119,087.60/4,678,631.40 = 875,225.60/x
  3. Step 3: Cross multiply
    3,119,087.60x = 4,678,631.40 × 875,225.60
  4. Step 4: Simplify right side
    3,119,087.60x = 4,094,857,974,243.84
  5. Step 5: Solve for x
    x = 4,094,857,974,243.84/3,119,087.60
  6. Step 6: Final answer
    x = 1,312,838.40

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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.