Home / 2,688,335.40-4,032,416.70-891,301.80

Finding the Fourth Proportional to 2,688,335.40, 4,032,416.70 and 891,301.80

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Solution

The fourth proportional to 2,688,335.40, 4,032,416.70 and 891,301.80 is: 1,336,924.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,688,335.40 : 4,032,416.70 = 891,301.80 : x
  2. Step 2: Convert to fraction form
    2,688,335.40/4,032,416.70 = 891,301.80/x
  3. Step 3: Cross multiply
    2,688,335.40x = 4,032,416.70 × 891,301.80
  4. Step 4: Simplify right side
    2,688,335.40x = 3,594,100,263,060.06
  5. Step 5: Solve for x
    x = 3,594,100,263,060.06/2,688,335.40
  6. Step 6: Final answer
    x = 1,336,924.05

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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.