Home / 1,980,465.47-2,970,666.32-632,619.20

Finding the Fourth Proportional to 1,980,465.47, 2,970,666.32 and 632,619.20

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Solution

The fourth proportional to 1,980,465.47, 2,970,666.32 and 632,619.20 is: 948,918.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,980,465.47 : 2,970,666.32 = 632,619.20 : x
  2. Step 2: Convert to fraction form
    1,980,465.47/2,970,666.32 = 632,619.20/x
  3. Step 3: Cross multiply
    1,980,465.47x = 2,970,666.32 × 632,619.20
  4. Step 4: Simplify right side
    1,980,465.47x = 1,879,300,532,808.92
  5. Step 5: Solve for x
    x = 1,879,300,532,808.92/1,980,465.47
  6. Step 6: Final answer
    x = 948,918.60

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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.