Home / 2,875,512.45-4,309,605.45-1,528,320.45

Finding the Fourth Proportional to 2,875,512.45, 4,309,605.45 and 1,528,320.45

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Solution

The fourth proportional to 2,875,512.45, 4,309,605.45 and 1,528,320.45 is: 2,290,533.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,875,512.45 : 4,309,605.45 = 1,528,320.45 : x
  2. Step 2: Convert to fraction form
    2,875,512.45/4,309,605.45 = 1,528,320.45/x
  3. Step 3: Cross multiply
    2,875,512.45x = 4,309,605.45 × 1,528,320.45
  4. Step 4: Simplify right side
    2,875,512.45x = 6,586,458,140,666.45
  5. Step 5: Solve for x
    x = 6,586,458,140,666.45/2,875,512.45
  6. Step 6: Final answer
    x = 2,290,533.69

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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.