Home / 2,970,001.20-4,455,001.80-975,457.20

Finding the Fourth Proportional to 2,970,001.20, 4,455,001.80 and 975,457.20

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Solution

The fourth proportional to 2,970,001.20, 4,455,001.80 and 975,457.20 is: 1,463,185.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,970,001.20 : 4,455,001.80 = 975,457.20 : x
  2. Step 2: Convert to fraction form
    2,970,001.20/4,455,001.80 = 975,457.20/x
  3. Step 3: Cross multiply
    2,970,001.20x = 4,455,001.80 × 975,457.20
  4. Step 4: Simplify right side
    2,970,001.20x = 4,345,663,581,822.96
  5. Step 5: Solve for x
    x = 4,345,663,581,822.96/2,970,001.20
  6. Step 6: Final answer
    x = 1,463,185.80

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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.