Home / 3,127,547.25-4,315,986.05-1,769,420.25

Finding the Fourth Proportional to 3,127,547.25, 4,315,986.05 and 1,769,420.25

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Solution

The fourth proportional to 3,127,547.25, 4,315,986.05 and 1,769,420.25 is: 2,441,783.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,127,547.25 : 4,315,986.05 = 1,769,420.25 : x
  2. Step 2: Convert to fraction form
    3,127,547.25/4,315,986.05 = 1,769,420.25/x
  3. Step 3: Cross multiply
    3,127,547.25x = 4,315,986.05 × 1,769,420.25
  4. Step 4: Simplify right side
    3,127,547.25x = 7,636,793,106,740.41
  5. Step 5: Solve for x
    x = 7,636,793,106,740.41/3,127,547.25
  6. Step 6: Final answer
    x = 2,441,783.45

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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.