Home / 2,778,459.40-4,165,064.70-1,642,094.20

Finding the Fourth Proportional to 2,778,459.40, 4,165,064.70 and 1,642,094.20

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Solution

The fourth proportional to 2,778,459.40, 4,165,064.70 and 1,642,094.20 is: 2,461,590.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,778,459.40 : 4,165,064.70 = 1,642,094.20 : x
  2. Step 2: Convert to fraction form
    2,778,459.40/4,165,064.70 = 1,642,094.20/x
  3. Step 3: Cross multiply
    2,778,459.40x = 4,165,064.70 × 1,642,094.20
  4. Step 4: Simplify right side
    2,778,459.40x = 6,839,428,586,494.74
  5. Step 5: Solve for x
    x = 6,839,428,586,494.74/2,778,459.40
  6. Step 6: Final answer
    x = 2,461,590.26

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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.