Home / 2,223,685.68-3,068,688.84-1,205,090.40

Finding the Fourth Proportional to 2,223,685.68, 3,068,688.84 and 1,205,090.40

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Solution

The fourth proportional to 2,223,685.68, 3,068,688.84 and 1,205,090.40 is: 1,663,026.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,223,685.68 : 3,068,688.84 = 1,205,090.40 : x
  2. Step 2: Convert to fraction form
    2,223,685.68/3,068,688.84 = 1,205,090.40/x
  3. Step 3: Cross multiply
    2,223,685.68x = 3,068,688.84 × 1,205,090.40
  4. Step 4: Simplify right side
    2,223,685.68x = 3,698,047,461,671.14
  5. Step 5: Solve for x
    x = 3,698,047,461,671.14/2,223,685.68
  6. Step 6: Final answer
    x = 1,663,026.16

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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.