Home / 2,390,117.02-3,298,258.21-1,357,621.56

Finding the Fourth Proportional to 2,390,117.02, 3,298,258.21 and 1,357,621.56

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Solution

The fourth proportional to 2,390,117.02, 3,298,258.21 and 1,357,621.56 is: 1,873,459.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,390,117.02 : 3,298,258.21 = 1,357,621.56 : x
  2. Step 2: Convert to fraction form
    2,390,117.02/3,298,258.21 = 1,357,621.56/x
  3. Step 3: Cross multiply
    2,390,117.02x = 3,298,258.21 × 1,357,621.56
  4. Step 4: Simplify right side
    2,390,117.02x = 4,477,786,459,312.81
  5. Step 5: Solve for x
    x = 4,477,786,459,312.81/2,390,117.02
  6. Step 6: Final answer
    x = 1,873,459.09

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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.