Home / 5,053,410.15-6,973,706-2,878,155.70

Finding the Fourth Proportional to 5,053,410.15, 6,973,706 and 2,878,155.70

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Solution

The fourth proportional to 5,053,410.15, 6,973,706 and 2,878,155.70 is: 3,971,854.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,053,410.15 : 6,973,706 = 2,878,155.70 : x
  2. Step 2: Convert to fraction form
    5,053,410.15/6,973,706 = 2,878,155.70/x
  3. Step 3: Cross multiply
    5,053,410.15x = 6,973,706 × 2,878,155.70
  4. Step 4: Simplify right side
    5,053,410.15x = 20,071,411,674,024.20
  5. Step 5: Solve for x
    x = 20,071,411,674,024.20/5,053,410.15
  6. Step 6: Final answer
    x = 3,971,854.86

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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.