Home / 4,725,565-6,521,312.51-2,688,374.50

Finding the Fourth Proportional to 4,725,565, 6,521,312.51 and 2,688,374.50

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Solution

The fourth proportional to 4,725,565, 6,521,312.51 and 2,688,374.50 is: 3,709,975.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,725,565 : 6,521,312.51 = 2,688,374.50 : x
  2. Step 2: Convert to fraction form
    4,725,565/6,521,312.51 = 2,688,374.50/x
  3. Step 3: Cross multiply
    4,725,565x = 6,521,312.51 × 2,688,374.50
  4. Step 4: Simplify right side
    4,725,565x = 17,531,730,244,973.12
  5. Step 5: Solve for x
    x = 17,531,730,244,973.12/4,725,565
  6. Step 6: Final answer
    x = 3,709,975.47

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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.