Home / 2,688,030.66-4,030,646.04-1,267,705.38

Finding the Fourth Proportional to 2,688,030.66, 4,030,646.04 and 1,267,705.38

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Solution

The fourth proportional to 2,688,030.66, 4,030,646.04 and 1,267,705.38 is: 1,900,897.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,688,030.66 : 4,030,646.04 = 1,267,705.38 : x
  2. Step 2: Convert to fraction form
    2,688,030.66/4,030,646.04 = 1,267,705.38/x
  3. Step 3: Cross multiply
    2,688,030.66x = 4,030,646.04 × 1,267,705.38
  4. Step 4: Simplify right side
    2,688,030.66x = 5,109,671,669,783.69
  5. Step 5: Solve for x
    x = 5,109,671,669,783.69/2,688,030.66
  6. Step 6: Final answer
    x = 1,900,897.84

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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.