Home / 2,911,654.28-4,018,098.89-1,688,685.01

Finding the Fourth Proportional to 2,911,654.28, 4,018,098.89 and 1,688,685.01

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Solution

The fourth proportional to 2,911,654.28, 4,018,098.89 and 1,688,685.01 is: 2,330,394.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,911,654.28 : 4,018,098.89 = 1,688,685.01 : x
  2. Step 2: Convert to fraction form
    2,911,654.28/4,018,098.89 = 1,688,685.01/x
  3. Step 3: Cross multiply
    2,911,654.28x = 4,018,098.89 × 1,688,685.01
  4. Step 4: Simplify right side
    2,911,654.28x = 6,785,303,364,240.64
  5. Step 5: Solve for x
    x = 6,785,303,364,240.64/2,911,654.28
  6. Step 6: Final answer
    x = 2,330,394.59

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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.