Home / 1,550,215.08-2,139,416.63-930,043.47

Finding the Fourth Proportional to 1,550,215.08, 2,139,416.63 and 930,043.47

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Solution

The fourth proportional to 1,550,215.08, 2,139,416.63 and 930,043.47 is: 1,283,531.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,550,215.08 : 2,139,416.63 = 930,043.47 : x
  2. Step 2: Convert to fraction form
    1,550,215.08/2,139,416.63 = 930,043.47/x
  3. Step 3: Cross multiply
    1,550,215.08x = 2,139,416.63 × 930,043.47
  4. Step 4: Simplify right side
    1,550,215.08x = 1,989,750,461,690.69
  5. Step 5: Solve for x
    x = 1,989,750,461,690.69/1,550,215.08
  6. Step 6: Final answer
    x = 1,283,531.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.